The Euclid telescope had been gradually losing its vision as layers of water molecules accumulated on its mirrors.
The diminutive entry-level telescope captures remarkably clear views of space, but its usability may pose a challenge.
The crew will have to command the vehicle through a series of moves about three hours into the mission.
ULA's Delta IV Heavy rocket will conduct a final, classified mission on Thursday after a notable 20-year career.
The aerospace company is accusing Virgin Galactic of unlawfully using Boeing's proprietary information for a mothership design.
Boeing also fixed a nagging parachute issue and is now aiming for a May launch with astronauts aboard.
The radio silence on the Moon's far side, ideal for detecting signals from the ancient universe, is increasingly under threat to the dismay of astronomers.
We may not need to bore through miles of ice to see life on extraterrestrial moons.
Experimental rocket launches, blazing hot reentries, and hypersonic planes—a lot has been happening in the world of spaceflight.
A team of scientists from Shanghai developed an ultrablack thin-film coating that could improve the way telescopes absorb light in the depths of space.
The 2025 budget proposal might be the beginning of the end for the Chandra X-ray telescope, with Hubble also taking a hit.
The upcoming eclipse, occurring during the solar maximum when the Sun regularly expels material into space, could offer a unique viewing experience.
With the New Glenn rocket moving closer to launch and plans to land on the Moon next year, Jeff Bezos' company is finally showing signs of life.
Elon Musk’s megarocket is grounded pending an FAA investigation, but the relative smoothness of the third mission means the next launch should happen soon.
Comet 12P/Pons-Brooks could be visible to the unaided eye in the coming weeks, raising hopes of an otherworldly conjunction.
Euclid's mission team is testing a new way to de-ice the telescope's optics and restore its ability to explore the dark universe.
The April 8 solar eclipse is a once-in-a-lifetime event, and my anxieties about planning, traffic, and photographing it are growing by the day.
There's space, and then there's kinda-space. We're sick of people not knowing the difference.
I guess we'll never know what the runner-up designs were to that Star Fleet-looking logo.
The company's founders, including an Apollo 17 astronaut, just rounded up $15 million to fund their venture.
