A strange spider-like formation on one of Jupiter's moons may be the smoking gun in the search for extraterrestrial life in ...

With 3I/ATLAS just days away from making its closest approach to Earth, agencies around the globe are conducting the largest ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

The interstellar comet known as 3I/Atlas will pass within 167 million miles of our planet Friday – the closest it gets on its ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

The world's largest planetary defense drill is underway as scientists prepare for 3I/ATLAs to make its closest pass by Earth ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.