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

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

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 ...

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 ...

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.

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

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

At the 247th meeting of the American Astronomical Society, this one held in Phoenix on January 4-8, Andrea Dupree of the Center for Astrophysics|Harvard & Smithsonian presented a talk entitled, ...

In less time than it takes to snap your fingers, the universe flashed into existence. Cosmogenesis is the breathtaking story of how this happened. It includes, in its later moments, the creation of ...

Hundreds of millions of debris fragments zip around Earth at speeds exceeding 15,000 mph, posing a constant threat to astronauts and spacecraft. Thanks to prohibitive costs, no one is bothering to ...

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