Scientists have proposed another use for the world's largest gravitational wave observatory: scanning for the ripples in space-time left in the wake of gargantuan alien spaceships.
A mysterious shock wave in a gust of solar wind has sent a barrage of high-speed material smashing into Earth's magnetic field, opening up a crack in the magnetosphere.
Useful, cost-effective nuclear fusion remains a distant dream, despite a small step in the right direction from the government's NIF reactor.
The time-flipped photon can't be used to restage "Back to the Future," but it could help us figure out some of the universe's most mysterious phenomena.
The minerals were found inside a slice of the El Ali meteorite, which was discovered in Somalia in 2020.
By using a chain of atoms to simulate a black hole's event horizon, researchers have shown that Hawking radiation may exist just as the late physicist described.
The uncrewed X-37B space plane touched down at NASA’s Kennedy Space Station on Nov. 12 having spent a record 908 days in orbit
A newly discovered, "potentially hazardous" asteroid almost the size of the world's tallest skyscraper is set to tumble past Earth just in time for Halloween, according to NASA.
The new image will be compared to an older one captured by Hubble to help scientists learn more about the structure and composition of spiral galaxies
A "potentially hazardous" asteroid the size of a blue whale is set to zip past Earth on Friday (Aug. 12).
Explorers have discovered a series of mysterious, "perfectly aligned" holes punched into the seafloor roughly 1.6 miles (2.6 kilometers) beneath the ocean.
The core stage of a Chinese Long March 5B rocket is set to tumble uncontrollably back to Earth today in a reentry that China is tracking closely.
Earth's crust is dripping "like honey" into our planet's hot interior beneath the Andes mountains, scientists have discovered.
Antarctica's Doomsday Glacier is losing ice at its fastest rate in 5,500 years, raising concerns about the ice sheet's future.
Pentagon officials speaking at the first public hearing on UFOs since the 1960s have shown previously classified footage of an unidentified aerial phenomenon (UAP).