Most people would think that Earth only has one moon, but in reality it's had multiple moons on more than one time. And right ...

Interstellar object 3I/ATLAS reaches its perihelion, prompting Harvard's Avi Loeb to suggest it's an 'alien mothership.' ...

NASA has confirmed that interstellar comet 3I/ATLAS safely passed Earth without any deviation from its predicted trajectory, ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

Interstellar comet 3I/ATLAS captivated astronomers with its dramatic passage near the Sun, brightening significantly due to ...

The Senate's report supports Space.com's findings, stating, "as early as June 2025, NASA began 'implementing immediately' ...

NASA's new research reframes orbital debris as a financial risk, quantifying the economic impact of collisions and mission ...

SpaceX posted a response to criticisms of delays in its Starship program from NASA acting Administrator Sean Duffy.

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...

"We've shared and are formally assessing a simplified mission architecture and concept of operations that we believe will ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...