Sporting the world’s largest digital camera, the new telescope is poised to help solve some of the universe’s biggest mysteries.

Rapidly growing satellite constellations pose a substantial threat to astronomical observations, with projections indicating that future space telescopes will have more than 96% of their exposures aff...

NASA’s James Webb Space Telescope has delivered a first of its kind: a crisp mid-infrared image of a system of four serpentine spirals of dust, one expanding

Astronomers spotted the largest flare ever released from a supermassive black hole as it snacked on a giant star.

Since their discovery more than 60 years ago, accreting supermassive black holes in active galactic nuclei (AGN) were recognized as highly variable sources, requiring an extremely compact, dynamic env...

This particular supernova was unusual for several reasons.

The penetrating eye of NASA's spaceborne infrared observatory brings Cassiopeia A’s surroundings into focus in this detailed image.

The West African country investigates how a space rock found there was put up for sale in New York.

New Canary Islands home could save controversial Thirty Meter Telescope first proposed for Hawaii.

For sale: A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever found on Earth.

United States Senate Committee on Appropriations

America has long led in research. Budget cuts could jeopardize that dominance.