I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...

Even though they were preceded by classics or audience favorites, these 10 sequels didn't come close to approaching the magic ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

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

On Friday, interstellar comet 3I/ATLAS makes its nearest approach to Earth. Here's what you need to know, and how to track ...

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec ...