It looks and behaves like a comet, and all evidence points to it being a comet. But this one came from outside the solar ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

November 2025, the PUNCH satellite captured a dramatic sequence of the comet's tail twisting and reacting to powerful solar activity.

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 ...

A suborbital launch goes up into space but doesn’t have enough speed to go all the way around the Earth. An orbital launch is ...

The South Sandwich Islands were born from a tectonic collision, forged by volcanism and relentlessly reshaped by ice, wind ...

Australia’s desert surrounding Cooper Creek turns green after record floods as NASA satellites capture rare river blooms.

NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

NASA’s Carruthers mission will film Earth’s elusive exosphere to understand space weather, atmospheric escape, and planetary habitability. A NASA mission aims to photograph a feature of Earth that is ...

On July 4, NASA's GOES-18 satellite captured the Dragon Bravo fire in Arizona's Grand Canyon National Park which started with ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

This historic mission would deploy the next-generation communication satellite designed to provide high-speed cellular ...