A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Astronomers have detected water on interstellar comet 3I/ATLAS with a deuterium-to-hydrogen ratio exceeding 6.6 × 10−3, a ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Besiege Broken Beyond launched June 22 on Steam, adding inverse-square-law multi-body orbital gravity, 13 new space blocks, ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Stargate SG-1 transformed a hit sci-fi movie into a sprawling franchise, spawning spin-offs, movies, and one of TV's richest universes.

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

For the first time, NASA's TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant star thanks to its warping of space-time. Unlike the star-hugging transiting ...

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.