Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...

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.

When the Huygens probe dropped into Titan’s atmosphere on Jan. 14, 2005, no one knew what to expect. For landings on Mars or the Moon, mission scientists plotted out landing sites with meticulous care ...

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

NASA for the first time has announced launch windows for the first crewed spaceflight beyond Earth orbit in more than half a century. The space agency on Friday said it is making final preparations ...

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 ...

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

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 ...

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.