The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

The first alien signal humanity detects might not come from a thriving civilization, but rather from one in decline, possibly sending a cry for help. That’s the central idea behind a new paper by ...

On Friday, the interstellar comet 3I/ATLAS makes its nearest approach to Earth, bringing the captivating alien visitor closer than ever before its exit from our Solar System. The comet, first spotted ...

I admit it. I was utterly swept up by the 3I/Atlas mania earlier this fall. Discovered over the summer, 3I/Atlas is a rare interstellar comet. It’s only the third that humans have ever detected coming ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

As the comet heads toward its closest pass by Earth, a team led by NASA astrochemist Martin Cordiner used the Atacama Large Millimeter Array (ALMA) in Chile to study the gases streaming off its ...

'Alien: Earth' creator has no plans for a 'Predator' crossover on the Hulu series. 20th Century Studios/Courtesy Everett Collection/Kurt Iswarienko/FX Although Predator recently ventured back into the ...

The interstellar comet 3I/ATLAS may be showing signs of active eruptions from “ice volcanoes” on its surface, according to new analysis of the unusual space object. 3I/ATLAS, first discovered in July ...