A six-year search of space beyond the orbit of Neptune has netted 461 newly discovered objects, including four that could shed light on Planet Nine.
A new freely downloadable universe simulation reveals the structure of galaxies and galactic clusters over more than 13 billion years of history.
The Greenland ice sheet, nearly 2 miles thick in places, hides a landscape of canyons, mountains, fjords and gem-like lakes.
A fireball streaked across North Texas last night, leading to several hundred witness reports of a bright flash and sonic boom.
A meteorite found nestled in a horseshoe imprint in England was formed in the early days of the solar system and may contain the building blocks of life.
NASA scientists have mapped the dynamic, ever-shifting lakes beneath Antarctica in more detail than ever before.
The best astronomy photos of 2021 invite the eye upward and outward, bringing stunning views such as auroras above Earth and visions of a stellar nursery
The planet has been losing 33,000 square miles (87,000 square kilometers) of ice coverage each year since 1979.
A severe drought going into the summer is setting up the western United States for water rationing and nasty wildfires.
A gorgeous new image of Westerlund 2 shows a birthplace of new stars in the Milky Way in unprecedented detail.
A new visitor is swinging by the solar system: a never-before-observed comet that hails from the Oort Cloud.
Speaking on the BBC show 'Panorama,' Microsoft's Brad Smith warned that unless checks are put in place, artificial intelligence could lead to a dystopian future
Satellite observations of different climate variables don't quite add up, suggesting these measurements might be missing something about the atmosphere.
A rare type of plutonium has been found in the crust below the deep sea, offering new clues as to how heavy metals form in star explosions and mergers.
The permanent oxygenation of Earth's atmosphere took twice as long as previously believed and finally finished up to 100 million years later than expected.
Former Trump intelligence director John Ratcliffe told Fox News that more unexplained sightings of flying objects will soon be declassified.
The enormous Baikal-GVD will look for the particles from 4,300 feet (1,310 meters) below the lake surface.
A new form of active matter known as swirlonic matter clumps together in quasi-particles that bend the laws of physics.
Two meteor enthusiasts have found a piece of an iron meteorite that fell over Sweden in November 2020.
Cosmologists simulated 4,000 versions of the universe in order to understand what its structure today tells us about its origins.
The chunk of space rock that killed the nonavian dinosaurs may have been a piece of a comet that Jupiter's gravity kicked onto a collision course with Earth.
When the plasma of the Van Allen belts drops in density during a solar storm, it can set up the perfect conditions for electrons to travel nearly as fast as light.