Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Officially designated 3I/Atlas after its discovery this summer, the comet will make its closest approach to Earth this Friday ...

A "house of cards" is such a wonderful English phrase, one now primarily associated with a Netflix political drama.

"Ultimately, this work may help scientists better predict the impact of space weather across the solar system on longer ...

The interstellar visitor 3I/ATLAS is coming near Earth this week and stargazers can see it before it vanishes into deep space ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

At perigee – that's the closest point in its trajectory to Earth – 3I/ATLAS will be around 270 million kilometers (168 ...

Know when Comet 3I/ATLAS makes its closest approach to Earth and how to watch this rare event. Learn why astronomers are ...

The interstellar comet 3I/ATLAS will reach its closest point to Earth on December 19, giving astronomers a closer look at the ...