The Space Weather Follow On — Lagrange 1 executed its final engine burn Jan. 23 to reach its destination roughly 1.6 million ...

Sometimes astronomers don't need giant telescopes to observe the wonders of the cosmos; they just need to look up at the ...

WASHINGTON (Reuters) -NASA has tapped startup Katalyst to save a $500 million orbiting observatory from falling into Earth's atmosphere by launching a spacecraft meant to push it farther in space, a ...

Our planet is surrounded by a halo of ultraviolet light invisible to the naked eye, a celestial phenomenon that scientists have been trying to understand for over half a century. This enigmatic glow, ...

Mock observations test the performance of the Chinese Space Station Telescope as the 2-meter-class observatory moves closer ...

Commercial satellites in orbit, which are largely owned by Elon Musk's SpaceX, are blocking images of the cosmos taken from both the ground and in space. A study released by Nature earlier this month ...

Scientists at the Laser Interferometer Gravitational-Wave Observatory (LIGO), tucked away in the piney woods of Livingston Parish, feared their operation detecting black holes would be shuttered after ...

The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors ...

In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, ...

The next great space observatory took a step closer this week when ESA signed the contract with Arianespace that will see the James Webb Space Telescope launched on an Ariane 5 rocket from Europe's ...