It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

It's no surprise that SpaceX is breaking in the year. Elon Musk's company launched a whopping 165 orbital missions in 2025 — ...

After the cancellation of Neill Blomkamp 's planned film, and the box office underperformance of Ridley Scott 's Alien: ...

SpaceX has one final rocket launch on the books for 2025 from the West Coast, but it may be hard to spot the spacecraft from ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Life can be scary, and a lot of times we push certain fears aside just to get through the day. But when those fears show up ...

Americans are becoming more open to the idea that aliens have visited Earth, according to a series of polls that show belief in alien visitation has been steadily on the rise since 2012. Moreover, ...

On Dec. 19, 3I/ATLAS will be about 1.8 astronomical units away (170 million miles), almost twice as far as the average distance between Earth and the Sun (1AU orr about 93 million miles), according to ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as ever.

Comet 3I/ATLAS, only the third known object from interstellar space to pass through our solar system, is about to make its closest approach to Earth. On Friday, Dec. 19, it will come within about 170 ...