Why has humanity never (that we know of) been visited by aliens? Scientists have been baffled by the question for decades, but two researchers have proposed a possible – and disturbing – explanation: Advanced civilizations may be doomed to stagnate … Read More
In late 2020, scientists studying Venus’s atmosphere announced the surprising – and controversial – discovery of phosphine, a chemical produced primarily by living organisms on Earth. At the time, Jane Greaves of Cardiff University in Wales and her colleagues wondered … Read More
Extraordinary claims require extraordinary evidence.”– Carl Sagan (Cosmos, 1980) This phrase is the standard that astronomers will be applying to a curious signal captured with China’s “Sky Eye” telescope that might be a transmission from alien technology. An article reporting the signal was posted on … Read More
Using data from the JWST, an amateur on Reddit created the first image of the TRAPPIST-1 system. JWST, a telescope so powerful that it makes Hubble look like someone smeared their thumb on the lens, has already taken a long … Read More
Authors Chris Impey – University Distinguished Professor of Astronomy, University of Arizona Daniel Apai – Professor of Astronomy and Planetary Sciences, University of Arizona The ingredients for life are spread throughout the universe. While Earth is the only known place in … Read More
Astronomers have discovered a planet nearly the same size as Earth that orbits in its star’s habitable zone, where liquid water could exist on its surface, a new study said. The presence of liquid water also indicates the planet could … Read More