Space junk is a growing problem. Scientists want to fight it with lasers that can de-twinkle the stars.
A never-before-seen particle known as the odderon has revealed itself in the hot guts of two particle colliders, confirming a 48-year-old theory.
Gagarin became the first of humankind to blast off into space on April 12, 1961, but rumors continue to circulate that another cosmonaut had beaten him to the punch days before.
NASA has delayed the first flight of its Mars helicopter Ingenuity after the vehicle's last test ended earlier than planned.
NASA will land the first person of color in addition to the first woman on the moon with the Artemis program, NASA's Acting Administrator Steve Jurczyk revealed today (April 9).
Astronomers just detected two pairs of rare 'double quasars' about 10 billion light-years away. They are the oldest in the known universe.
Astrophysicists think a newly discovered region of the Milky Way could provide hints about the evolution of our galaxy and its potentially violent past.
Three years from today, on Monday, April 8, 2024, more than half a billion people across North America have the chance to see another Great American Solar Eclipse.
A team has offered a way for gravitational wave events called dark sirens to resolve a crisis in cosmology
Find out what black holes are, who discovered them, how we know they exist and what would happen if you fell into a black hole.
The 4-lb. (1.8 kilograms) chopper captured its first color photograph on Saturday (April 3), shortly after being lowered to the Martian dirt by the Perseverance rover.
The stainless-steel SN11 didn't stick its landing last week because of a plumbing problem, according to SpaceX founder and CEO Elon Musk.
Perseverance's laser hasn't yet penetrated the mystery of a strange Martian rock near the rover's new digs.
Astronomers detected X-rays flaring out of Uranus for the first time. It could be a case of solar scattering, or some as-yet unknown process.
Enormous "spiders" cover the Martian south pole, and scientists finally have experimental evidence to show how they're created.