Antarctica's Denman Glacier is falling into the world's largest land canyon.
In six studies published March 16 in a special edition of The Astrophysical Journal supplemental series, astronomers used NASA's Hubble Space Telescope to spy on 13 quasar outflows.
Researchers discovered an uncharted island beneath melting Antarctic ice. Its rocky underbelly could hold clues to the continent's response to climate change.
Astronomers discovered a 'minimoon' that's been orbiting Earth for about three years, and may soon leave our planet's orbit.
The 12 constellations of the Zodiac contain some of the weirdest, most wonderful objects in the universe. Here are our favorites.
Antarctica saw two record-high temperatures set between Feb. 6 and Feb.9, and that took a huge toll on the continent's ice, as seen in NASA images.
A huge chunk of ice twice the size of Washington, D.C., just broke off of Antarctica's Pine Island glacier, continuing a troubling trend that could signify glacial collapse.
Solar super-storms capable of damaging electric grids and satellite networks may be much more common than previously thought, a study of Earth's oldest geomagnetic index suggests.
Astronomers uncovered a pair of invisible stars creating ripples in space-time, a phenomenon known as gravitational lensing.
A Boeing satellite is being hastily moved into "graveyard orbit" following a devastating "anomaly" that turned its batteries into bombs.
There's a faint gamma-ray background in the universe, and scientists now think it could be caused by dark matter.
The black hole at the center of our galaxy is warping and combining stars into a strange new kind of object, astronomers say.
The US Navy confirmed they have secret, classified documents regarding a 2004 UFO encounter, but releasing them could 'gravely damage' national security.
A newly discovered suburb of baby-booming stars, known as the Radcliffe Wave, may be the largest structure in the Milky Way.
A private UFO enthusiast has donated his collection of 30,000 documents to the University of Manitoba in Canada. The truth is in there.
The ESA has announced a mission to launch a four-armed robot to grab a single piece of space junk and drag it into the atmosphere.
Long ago, millions of years before the first star sparked to life, the entire universe was a sea of darkness.
Hoag's object, which is a galaxy within a galaxy within a galaxy, has befuddled stargazers since astronomer Arthur Hoag discovered it in 1950.
At the edge of our solar system, a fierce battle rages between solar wind and interstellar rays. NASA's Voyager 2 spacecraft has now passed through the frontlines.
In 1987, a star exploded, creating the brightest supernova to light up Earth's skies in 400 years. That star's corpse has been missing for 30 years. Now, researchers think they've found it.
Curiosity is the last functioning rover on Mars, and its lonely mission has taken the robot to a steep mountain in the middle of a vast crater.
A nonprofit called The Earth Archive wants to make a 3D map of the entire planet, before the climate crisis changes Earth's face forever.
The mysterious Fermi bubbles at the center of the Milky Way may have been caused by a gargantuan nuclear explosion 3.5 million years ago, new research suggests.
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