Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

The Geminids peak Dec. 13, producing up to 120 meteors per hour visible from 8 p.m. until sunrise. Plus, a recap of ...

Seventy light-years from Earth, a star called Kappa Tucanae A harbors one of astronomy's most perplexing mysteries: dust so ...

Mars orbiters have given astronomers an unexpected new vantage point on 3I/ATLAS, sharply tightening estimates of the interstellar visitor’s trajectory through the inner solar system. By combining ...

The Hubble Space Telescope has captured a spiral galaxy designated as NGC 1792. The galaxy is glowing with the light of ...

Astronomers have confirmed that three Earth-sized planets are orbiting two stars in the same system — a first in the history ...

Have scientists finally confirmed the existence of the first exomoon? This is what a study released on the preprint server ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test.

For years, the center of our galaxy has been painted as a place where stars go to meet their end — a region ruled by Sagittarius A*, a black hole so massive that its gravity can stretch, tear, and ...

China search for Earth 2.0 leads a bold 2026–2030 space plan to probe the early universe, our Sun, and Earth-like exoplanets.

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...