UFOs: how astronomers are searching the sky for alien probes near Earth

Several scientific projects are aiming to investigate UFO sightings.

Beatriz Villarroel, Assistant professor of Physics, Stockholm University • conversation
Dec. 6, 2023 • ~7 min

SETI: new signal excites alien hunters – here's how we could find out if it's real

One way forward would be to abandon the traditional approach of using single-dish telescopes for SETI.

Michael Garrett, Sir Bernard Lovell chair of Astrophysics and Director of Jodrell Bank Centre for Astrophysics, University of Manchester • conversation
Jan. 4, 2021 • ~7 min

Venus: could it really harbour life? New study springs a surprise

Scientists don't claim to have evidence of life on Venus but they have ruled out pretty much everything else.

Monica Grady, Professor of Planetary and Space Sciences, The Open University • conversation
Sept. 14, 2020 • ~7 min

Hydrogen-breathing aliens? Study suggests new approach to finding extraterrestrial life

New research expands the pool of habitable worlds to include super-Earths with hydrogen-rich atmospheres.

David Rothery, Professor of Planetary Geosciences, The Open University • conversation
May 4, 2020 • ~8 min

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