Aliens download into a school - into the bodies of the Head and the Deputy Head and some naughty kids. They're confused as ...

The cosmos is typically a predictable dance of gravity and orbits, but occasionally, a visitor crashes the party with such ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Physicists discovered that the famous ‘Star Trek’ spaceship got a lot right about designing a ship to jump from galaxy to ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Abstract: Dual-band infrared small-target detection not only offers richer information than single-band methods but also poses two key challenges: modeling weak targets in cluttered scenes and ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec 19). The rare interstellar visitor, designated Comet 3I/ATLAS, was ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.