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

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

In the first episode of "The Expanse" (which debuted 10 years ago this weekend), a spaceship makes the biggest meal of ...

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

Science is the spice that keeps things nerdy. And nerdy, as our dedicated readers know, can be tons of fun. To help you out ...

We are in Germany and it's winter, so we can confidently assume that it is cold, with possible snow covering the fields and ...

Low Earth orbit is filling up with industrial-scale fleets of satellites, and the collateral damage is becoming impossible to ...

Mars, our reddish-hued neighbor in the solar system, oh how you have captivated us earthlings, fueling an obsession at the turn of the last century that David Baron documents in his ...

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...