The big stars make our sun look puny.
Chinese researchers have discovered a brand new type of crystal in a sample of moon rocks, as well as a source of helium-3 — a potential fuel for nuclear fusion reactors.
The James Webb Space Telescope zooms in on Neptune to reveal the icy planet's collection of little-known rings
Shock-compressing PET plastics can create tiny nanodiamonds with a range of technological applications.
Reference A look at the phases of the moon, from new moon to full moon, including's tonight's lunar phase.
Astronomers say the fireball was likely caused by a space rock the size of a golf ball disintegrating in Earth’s atmosphere.
Astronomers are using the James Webb Space Telescope to look back in time. How is this possible? It's just the nature of light, according to NASA.
Scientists have long hypothesized about this phenomenon, but this is the first time it’s been directly observed.
A team of physicists has found that the remnant of a neutron star merger observed in 2019 has just the right mass to be a strange hypothetical quark star.
A never-to-be-seen-again view of Comet Leonard took top prize at the Royal Observatory Greenwich's Astronomy Photographer of the Year contest.
Dozens of 'phantom' and 'cosmic' UFOs have been detected in the skies over Ukraine, a new government report claims.
Viewers in some parts of the world may see Uranus disappear behind the moon for several hours on Wednesday, Sept. 14 in a 'lunar occultation' event.
The James Webb Space Telescope captured the clearest images ever of the Orion Nebula, one of the brightest and closest nebulas to Earth.
A new type of exoplanet has been discovered circling around one of the most common stars in the universe, and it could help in the search for extraterrestrial life.
The U.S. Navy admitted that it has unreleased videos of UFO encounters but refused to share them due to 'national security concerns.'