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Many people who say they have seen UFOs are either dog walkers or smokers. Aaron Foster/THeImage Bank/Getty Images

December 4, 2020

I’m an astronomer and I think aliens may be out there – but UFO sightings aren’t persuasive

Chris Impey, University of Arizona

Scientists are not convinced by the current evidence of UFOs. That doesn’t mean that they don’t exist. But have Americans’ belief in UFOs gone from science to a new religion?

A starchart by Alexander Jamieson from 1822 showing the constellation Cetus, the Sea Monster. Cetus is located in the region of the sky known as the Water, along with other watery constellations such as Aquarius, Pisces and Eridanus. Buyenlarge/Getty Images

November 9, 2020

Exoplanets are still out there – a new model tells astronomers where to look for more using 4 simple variables

Daniel Apai, University of Arizona and Jeremy Dietrich, University of Arizona

New mathematical technique enables astronomers to predict the whereabouts of missing worlds around nearby stars.

September 18, 2020

The detection of phosphine in Venus’ clouds is a big deal – here’s how we can find out if it’s a sign of life

Paul K. Byrne, North Carolina State University

News that Venus may harbor life has swept the globe. So how do we find out for sure? A planetary scientist explains what’s next.

Top contributors

Chris Impey
University Distinguished Professor of Astronomy, University of Arizona
Daniel Apai
Professor of Astronomy and Planetary Sciences, University of Arizona
Paul K. Byrne
Associate Professor of Earth and Planetary Science, Arts & Sciences at Washington University in St. Louis
Jeremy Dietrich
Graduate Student in Astronomy, University of Arizona

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