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 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 ...

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

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 ...

Lunar Prospector launched on January 6, 1998, as the third mission within NASA’s Discovery Program, which emphasizes frequent ...

Proximate to the Moon, Regulus (Alpha Leonis), exhibiting an apparent magnitude of 1.3, will be visible. The angular separation between the Moon and Regulus is expected to change on an hourly basis.

Nearly all stars are found inside or around galaxies, but there are ways for stars to escape into intergalactic space.

Andrea Dupree presented findings titled “Discovery of the Wake Caused by Siwarha — the Betelgeuse Companion” at the 247th American Astronomical Society meeting in January. While previously believed to ...

After four centuries of advances, astronomers now capture the Sun’s swirling, dynamic features in stunning detail.

Because rogue planets don’t orbit a host star, they can’t be found using astronomers’ typical go-to methods: radial velocity or transits. (Radial velocity measures the way a star wobbles as an unseen ...