Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Did you know? Sound from another planet, the wind on Mars, has been recorded and made audible with the help of headphones and ...

President Trump had gone to the 2024 election promising to disclose everything about one of his MAGA fan base’s favourite conspiracies: that aliens are real, aliens are among us, and aliens secretly ...

If Barack Obama’s comments about aliens were speculative, Apollo 14 astronaut Edgar Mitchell had a lifetime’s cosmic ...

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

"Given how active the sun is right now, our forecasts suggest that delaying the launch until the end of 2026 may be a much safer decision." ...

Their study challenges the longtime belief that the moon's magnetic field remained strong for long stretches of time.

Old Apollo rocks are providing a fresh take on the moon's magnetic field ...

Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer.