NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

For the past few days, the interstellar comet 3I/ATLAS has been displaying a blue-green gas coma measuring 2.5 arcminutes ...

likening the urge to describe 3I/ATLAS as comet to “calling an elephant a ‘zebra without stripes.’” 3I/ATLAS will pass closest to the sun on Oct. 30 and then will proceed in retrograde from Earth ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

A skyscraper-size asteroid named 2025 FA22 will make a close approach to Earth this week, and you can watch it happen live ...

According to Dean Duffy, the new NASA administrator, a rock sample collected by the Perseverance rover was the "clearest sign ...

A comet named “Devil” has revealed an important clue about the origin of water on Earth. Researchers recently discovered that water on Comet 12P/Pons-Brooks, a rare galactic phenomenon known for its ...

New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in Earth's oceans, offering fresh support for the idea that comets may have played a crucial ...

Scientists have found new evidence that a massive comet trail may have caused climate upheaval on Earth more than 12,000 years ago. Tiny particles detected in ocean sediment cores suggest that dust ...