Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

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

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Across the observable universe, galaxies advertise themselves in radio waves for familiar reasons-magnetic fields, cosmic ...

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

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

The past 12 months have read like a science-fiction novel, with thousands of UFOs swarming over the US East Coast, an ...