The interstellar comet 3I/ATLAS has already rewritten the rulebook on what a visitor from deep space can look like, and now ...

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

Dust returned by China’s Chang’e-6 mission reveals rare, water-rich CI chondrite meteorite fragments—found on the Moon for ...

From the surface, Earth looks like a relatively ordinary rocky planet, wrapped in clouds and a thin blue atmosphere. A new line of research argues that, hundreds of millions of years ago, it may have ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

I/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 object ...

NASA's PUNCH mission is photographing the Sun like never before. It can see comets that are invisible to every other ...

From massive solar panels to the difficulty of staying cool - not to mention high-energy radiation - there are a lot of ...

The popular interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, and is now moving away ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Our third known interstellar visitor, comet 3I/ATLAS, will reach its closest point to Earth today, December 19. It will still ...

On Dec. 19, 3I/ATLAS will be about 1.8 astronomical units away (170 million miles), almost twice as far as the average ...