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Chris Impey

University Distinguished Professor of Astronomy, University of Arizona
Chris Impey is a University Distinguished Professor of Astronomy at the University of Arizona. He has over 180 refereed publications on observational cosmology, galaxies, and quasars, and his research has been supported by $20 million in NASA and NSF grants. He has won eleven teaching awards, and has taught three massive open online classes with over 180,000 enrolled. Impey is a past Vice President of the American Astronomical Society and he has been an NSF Distinguished Teaching Scholar, Carnegie Council’s Arizona Professor of the Year, and most recently, a Howard Hughes Medical Institute Professor. He’s written over 70 popular articles on cosmology and astrobiology, two introductory textbooks, a novel called Shadow World, and eight popular science books: The Living Cosmos, How It Ends, Talking About Life, How It Began, Dreams of Other Worlds, Humble Before the Void, Beyond: The Future of Space Travel, and Einstein’s Monsters: The Life and Times of Black Holes.

The Mars Sample Return mission has a shaky future, and NASA is calling on private companies for backup

Apr 26, 2024 01:33 am UTC| Insights & Views Science

A critical NASA mission in the search for life beyond Earth, Mars Sample Return, is in trouble. Its budget has ballooned from US$5 billion to over $11 billion, and the sample return date may slip from the end of this...

Space Science Series

Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet

Apr 01, 2024 11:05 am UTC| Science

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun shining steadily for...

Orbital resonance − the striking gravitational dance done by planets with aligning orbits

Feb 05, 2024 07:17 am UTC| Science

Planets orbit their parent stars while separated by enormous distances in our solar system, planets are like grains of sand in a region the size of a football field. The time that planets take to orbit their suns have no...

Space Science Series

Why isn't there any sound in space? An astronomer explains why in space no one can hear you scream

Dec 05, 2023 05:40 am UTC| Science

In space, no one can hear you scream. You may have heard this saying. Its the tagline from the famous 1979 science fiction movie Alien. Its a scary thought, but is it true? The simple answer is yes, no one can hear you...

Space Science Series

NASA report finds no evidence that UFOs are extraterrestrial

Sep 18, 2023 05:52 am UTC| Science

NASAs independent study team released its highly anticipated report on UFOs on Sept. 14, 2023. In part to move beyond the stigma often attached to UFOs, where military pilots fear ridicule or job sanctions if they...

Space junk in Earth orbit and on the Moon will increase with future missions − but nobody's in charge of cleaning it up

Sep 01, 2023 01:38 am UTC| Science

Theres a lot of trash on the Moon right now including nearly 100 bags of human waste and with countries around the globe traveling to the Moon, theres going to be a lot more, both on the lunar surface and in Earths...

Economy

Oil Prices Drop as Middle East Supply Recovery Eases Market Concerns

Global oil prices continued to decline on Thursday, reaching levels close to those seen before tensions escalated between Iran and its regional rivals. The sharp drop in crude prices reflects growing confidence that oil...

White House Seeks $87.6 Billion Emergency Funding for Iran War, Farmers, and Ebola Response

The White House has formally asked Congress to approve an $87.6 billion supplemental spending package aimed at covering expenses tied to the ongoing Iran war, while also providing funding for American farmers and...

Japan Signals Preference for Low Interest Rates as BOJ Policy Debate Intensifies

Japans government is preparing to push for a monetary policy that supports stronger private demand, highlighting its preference for keeping borrowing costs low even as the Bank of Japan (BOJ) continues normalizing interest...

Gold Drops Below $4,000 as Strong US Dollar and Fed Rate Hike Expectations Pressure Bullion

Gold prices continued their downward trend during Asian trading on Thursday, falling to their lowest level in more than seven months as a stronger U.S. dollar and growing expectations of additional Federal Reserve interest...

South Korea’s KOSPI Jumps Over 5% as Samsung, SK Hynix Rally on Micron Earnings Boost

South Koreas benchmark KOSPI index soared more than 5% at Thursdays market open, prompting the Korea Exchange (KRX) to temporarily halt program trading after a sharp rally fueled by leading semiconductor stocks. The...

Politics

US Mobilizes Aid After Powerful Earthquakes Devastate Venezuela

Powerful earthquakes that struck Venezuela on Wednesday have prompted an immediate response from the United States, which is coordinating with Venezuelan authorities and preparing emergency assistance for the disaster-hit...

US Urges States and Businesses to Strengthen Taiwan Ties Amid China Pressure

The United States has urged state governments and private businesses to strengthen their engagement with Taiwan after raising concerns that Chinese officials have been attempting to discourage such relationships. According...

Young Brazilian Voters Shift Right Ahead of 2026 Election

As Brazil prepares for its October presidential election, a growing number of young voters are moving away from the left, signaling a major political shift that could influence the countrys future. Many who once supported...

Pelosi Discloses Major Intel and Uber Call Option Purchases Worth Up to $6 Million

Representative Nancy Pelosi has disclosed a new financial transaction report revealing that her spouse, Paul Pelosi, purchased substantial call options in Intel Corporation (NASDAQ: INTC) and Uber Technologies Inc. (NYSE:...

Trump Requests $11 Billion More in Farm Aid as Rising Costs Pressure U.S. Farmers

U.S. President Donald Trump has asked Congress to approve more than $11 billion in additional farm aid to help American farmers cope with soaring fuel and fertilizer expenses linked to the recent Iran conflict. According...

Science

Blue Origin New Glenn Explosion Could Delay Launch Operations Until 2028

Blue Origin is facing a significant setback after a dramatic explosion involving its New Glenn rocket severely damaged a launch pad at Cape Canaveral, Florida. According to NASA Administrator Jared Isaacman, repairs to the...

Blue Origin New Glenn Rocket Explodes During Launch Pad Test, Delaying Space Ambitions

Blue Origin suffered a major setback after its uncrewed New Glenn rocket exploded during a launch pad test in Florida on Thursday, raising new challenges for Jeff Bezos space company as it competes with Elon Musks SpaceX...

SpaceX Delays Starship V3 Launch Ahead of Potential Record IPO

SpaceX on Thursday postponed the highly anticipated launch of its 12th Starship rocket test from Texas after technical issues interrupted the final countdown. The company now plans to attempt the Starship V3 launch again...

Trump Administration Releases New UFO Files and Apollo Mission Records

The U.S. Defense Department has released dozens of previously classified UFO-related files following an order from President Donald Trump, sparking renewed debate over unidentified anomalous phenomena (UAP) and government...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

Technology

Kioxia Targets U.S. Listing as AI Chip Boom Accelerates

Japan-based Kioxia Holdings Corp. (TYO:285A) is preparing to launch U.S. depositary shares in the spring of 2027, a strategic move aimed at expanding its global investor base and taking advantage of growing enthusiasm for...

Doncasters Raises $919 Million in NYSE IPO as Aerospace Growth Accelerates

Doncasters has successfully raised $919.3 million through its U.S. initial public offering (IPO), marking a significant milestone in the aerospace components manufacturers long-term transformation. The historic British...

SK Hynix Targets $29.4 Billion Nasdaq Listing to Expand AI Chip Business

SK Hynix has announced plans to raise as much as $29.4 billion through a Nasdaq listing in the United States, positioning the deal as one of the largest global stock offerings in history. The South Korean memory chip...

Alibaba Shares Fall After Anthropic Alleges Massive AI Model Distillation Campaign

Alibaba Groups Hong Kong-listed shares dropped sharply on Thursday after reports revealed that U.S.-based artificial intelligence company Anthropic accused the Chinese tech giant of conducting a large-scale campaign to...

Samsung and SK Hynix Shares Jump After Micron Earnings Boost AI Chip Optimism

Samsung Electronics and SK Hynix posted strong gains on Thursday after Micron Technology delivered record quarterly earnings and issued a stronger-than-expected revenue forecast, reinforcing confidence in the growing...