Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

While asteroids are more easily discovered with optical telescopes, radar images shine when it comes to details.

Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead ...

The cloud of hydrogen is shaped like a crescent and “literally glowing in the dark" like fluorescent stickers on a child's ...

A meteorite found in Antarctica in 2012 suggests Earth may have formed with the materials needed to make water, a new study ...

Apr. 3, 2025 — A solar wind event from 2017 ... TOI-1453: Sub-Neptune in System of Two Exoplanets Mar. 14, 2025 — Astronomers have discovered two exoplanets around TOI-1453, a star about ...

On March 15, 2024, near the peak of the current solar cycle, the sun produced a solar flare and an accompanying coronal mass ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

A newly discovered molecular gas cloud is the closest ever found to Earth and the largest single structure in the sky. Dubbed ...