It’s back: Astronomy magazine’s free downloadable Sky Guide, your preview of everything happening in the sky next year. Mars opens 2025 by reaching opposition the night of Jan. 15/16, when it shines ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Today in the history of astronomy, one of the brightest and most famous scientific minds of the modern era is born.

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

The Schmidts' philanthropic research organization will build a 3-meter space telescope and fund three ground-based facilities.

The celestial object described is an open cluster, NGC 7789, possessing an apparent magnitude of 6.7 and located between 5th-magnitude Sigma Cassiopeiae and 6th-magnitude Rho Cas, known by several ...

This famous asterism at the heart of the Strongman is visible in the early-morning sky this month before sunrise.

Astronomers have discovered a rare starless galaxy-like cloud known as a RELHIC, providing the strongest evidence yet for a cornerstone prediction of the Lambda CDM model: that many small dark matter ...