For decades, Saturn’s upper atmosphere has been one of the solar system’s great enigmas. Even the Cassini spacecraft, which ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

We previously covered one such “gravity telescope” with the Laser Interferometer Gravitational-Wave Observatory (LIGO). Another one is the Japanese project Kamioka Gravitational Wave Detector (KAGRA).

Arizona-based Katalyst Space Technologies has scored a contract to raise the altitude of NASA's Neil Gehrels Swift Observatory, which has been hunting for gamma-ray bursts (GRBs) from low Earth orbit ...

NASA’s James Webb Space Telescope has revealed new views of Sagittarius B2, the Milky Way’s most massive star nursery, showing stars, glowing dust and dense clouds in sharper detail than ever before.

A maelstrom of star formation close to the center of our galaxy has been revealed in two different wavelengths by the James Webb Space Telescope (JWST), its beautiful images highlighting the intensity ...

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic ...

Today, we stand on sacred ground, not only for its pristine, radio-quiet skies, but for its role in uniting nations to ...

From 1985 to 2014, Jean Mueller supported astronomers from around the world who came to Palomar to use its iconic instruments ...

Astronomers detected a black hole displaced nearly a kiloparsec from the center of a dwarf galaxy 230 million light-years ...

Exoplanets aren't the only objects floating around other stars—they likely have comets and asteroids as well. Even some of ...