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Chris Impey

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...

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Economy

What should you do if you can’t pay your rent or mortgage?

The cost of living crisis is making it difficult for many people to pay their bills, including housing costs. Private sector rents have increased by an average 9% over the year to February 2024, and rising interest rates...

Reducing energy demand and improving efficiency will help prevent the next gas crisis

Gas prices have relaxed, Europe has come out of the winter with record gas storage levels and a surfeit of liquefied natural gas is set to reach the shores of Europe over the coming years. Many commentators are hopeful...

Minimum wage for South African farm workers: study shows 2013 hike helped reduce poverty even though compliance was poor

Minimum wage policies are typically aimed at reducing poverty. Yet there is little direct evidence of this effect, especially in developing countries. And none for South Africa. In a recent paper, we consider the...

Gas is good until 2050 and beyond, under Albanese gas strategy

The Albanese government is talking up the crucial role of gas as a transition fuel through to 2050 and beyond. In a gas strategy to be released on Thursday, the government envisages the fuels uses would change over...

South Africa’s plan to move away from coal: 8 steps to make it succeed

The South African governments Just Energy Transition Implementation Plan was launched in November 2023. It is a roadmap guiding the country away from reliance on coal-fired power towards renewable energy alternatives by...

Politics

US Supreme Court upended decades of precedent in 2022 by allowing voters to vote with gerrymandered maps instead of fixing the congressional districts first

For the 2022 midterm elections, the U.S. Supreme Court allowed Alabama to use congressional districts that violated the law and diluted the voting power of Black citizens. A 5-4 vote by the Supreme Court in February...

Germany lowers voting age to 16 for the European elections

Ahead of the European parliament elections in June, Germany has lowered the age limit on participation to 16. This makes it the largest of just a handful of states in the EU to allow people under the age of 18 to vote....

South Africa will be president of the G20 in 2025: two much-needed reforms it should drive

South Africa will play an important international role in 2025 as president of the G20. The G20 is a group of 19 countries as well as the African Union and the European Union. Between them they represent 85% of global...

What early 2024 polls are revealing about voters of color and the GOP

By the end of winter 2024, the return of Donald Trump to the top of the GOP presidential ticket has revealed a surprising trend in the former presidents base of support: his increasing popularity among Black and Latino...

Science

Why are algorithms called algorithms? A brief history of the Persian polymath you’ve likely never heard of

Algorithms have become integral to our lives. From social media apps to Netflix, algorithms learn your preferences and prioritise the content you are shown. Google Maps and artificial intelligence are nothing without...

IceCube researchers detect a rare type of energetic neutrino sent from powerful astronomical objects

About a trillion tiny particles called neutrinos pass through you every second. Created during the Big Bang, these relic neutrinos exist throughout the entire universe, but they cant harm you. In fact, only one of them is...

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

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...

Dark matter: our new experiment aims to turn the ghostly substance into actual light

A ghost is haunting our universe. This has been known in astronomy and cosmology for decades. Observations suggest that about 85% of all the matter in the universe is mysterious and invisible. These two qualities are...

A Nasa rover has reached a promising place to search for fossilised life on Mars

While we go about our daily lives on Earth, a nuclear-powered robot the size of a small car is trundling around Mars looking for fossils. Unlike its predecessor Curiosity, Nasas Perseverance rover is explicitly intended to...

Technology

Vanguard’s New CEO Says Bitcoin ETF Not on the Table: Report

Vanguards new CEO, Salim Ramji, has confirmed that the investment giant will not launch a Bitcoin ETF, emphasizing the firms commitment to its investment philosophy. Despite his past involvement with BlackRocks Bitcoin...

iPhone Owners Alarmed as iOS 17.5 Resurfaces Deleted Nudes, Troubling Bug Reported

A troubling bug in Apples iOS 17.5 update is reportedly resurfacing previously deleted photos, including sensitive images, causing alarm among iPhone owners. Users on Reddit and beta testers have flagged this issue,...

Shiba Inu Rep Lucie Makes Major Bullish Statement on Shibarium Coins

Lucie, the Shiba Inu teams official marketing head, has taken to her X social media account (previously known as Twitter) to declare the SHIB, BONE, and LEASH pricing behavior she expects to see during a hypothetical...

Tesla Cybertruck to Receive Full Self-Driving V12.5 Update in June, Elon Musk Announces

Elon Musk provided a new update on the Tesla FSD development, which appears to be moving faster than anticipated. FSD V12.4, which aims to enhance miles per intervention by tenfold over V12.3, is set to begin internal...
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