Saturn's rings might have formed 100 million years ago when one of its icy moons was ripped apart by the planet's gravity.
Astronomers may be interpreting James Webb Space Telescope's measurements of exoplanet atmospheres wrong, a new study suggests.
A fireball broke up between northern Ireland and Scotland on Wednesday (Sept. 14) at 9:57 p.m. local time, glittering green in the view of populations around the United Kingdom.
NASA plans a briefing Thursday (Sept. 15) to discuss the Perseverance Mars rover's findings so far. You can watch the briefing live at 11:30 a.m. EDT (1330 GMT).
A trail of SpaceX Starlink satellites are visible in front of a haunting green aurora, as witnessed by AuroraWatchers.com in a video shot near Fairbanks on Sept. 2.
Thomas Zurbuchen guided the agency's Science Mission Directorate through an eventful and successful stretch that saw the launch of the James Webb Space Telescope, among other projects.
The European sun-observing Solar Orbiter spacecraft doubles up as a Venus explorer, providing the most detailed measurements of the scorched planet's magnetic field to date.
Reference What is the gravitational constant, how do scientists measure it, and is it really constant or can it change across time and space?
Using data from NASA's Chandra X-ray Observatory, Hubble Space Telescope and recently retired Spitzer Space telescope, astronomers traced the timeline of a supernova explosion called SNR 0519.
Scientists have demonstrated that Einstein's theory of general relativity is correct to a remarkable degree of accuracy, despite having been around for more than a century.
Massive clouds of wildfire smoke shroud vast areas of Oregon and Washington as vicious blazes destroy hundreds of square miles of forest.
If you see a giant red star surrounded by a thick shroud of material, watch out — the star will likely explode within a few years.
The NASA-funded study hopes to extend the hunt for pollutants into space, to help dogs and their science partners hunt for smelly scat.
Thriller films, Antarctic explorers and female science pioneers featured in an informal naming contest seeking a moniker for a proposed Uranus spacecraft mission.
China's government has officially approved three robotic moon missions that will lay groundwork for a permanent lunar base.
Using the Keck Observatory astronomers have imaged the Orion nebula, an intense star-forming region close to Earth, in unprecedented detail.
Our increasing reliance on space infrastructure makes modern economies increasingly vulnerable to the impacts of accidents and unlawful or irresponsible acts in space.
Newborn stars still wrapped in cocoons of dust and gas are revealed in a new image of the famous Orion Nebula captured by the James Webb Space Telescope.