Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Exoplanets come up a lot these days, usually in headlines about distant stars, strange atmospheres, or the possibility of ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

If you're looking for sci-fi content on Netflix, the streamer has you covered with several compelling TV series. Here's how ...

From the Artemis II moon mission to searching for signs of life on distant plants, 2026 will be a big year for space.

This is what the Defector staff read and enjoyed in 2025. The Trials of Gabriel Ward Murder Mystery Series, by Sally Smith ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

Some adults do indeed have more than 206 bones. These extras, known as accessory bones or supernumerary bones, may occur when ...

Astronomers just measured the mass of a free-floating planet without a star for the first time ...