Where did Earth get its water? It was sucked up from space, new theory says
New research suggests our planet was born from a rapid accumulation of tiny pebbles and icy fragments in just a few million years.
New research suggests our planet was born from a rapid accumulation of tiny pebbles and icy fragments in just a few million years.
A new viral video by a NASA astrobiologist explains the space agency's efforts to find out whether we are alone in the universe.
Physicists at the Large Hadron Collider are closing in on an explanation for why we live in a universe of matter and not antimatter.
Two of six newly discovered runaway stars launched by supernovas have broken the record for the fastest objects of this type ever discovered.
The core of Jupiter's ocean moon Europa might have formed billions of years after the rest of it did, if indeed it has formed at all, a new study finds.
A new small satellite will peer at distant stars to help NASA's James Webb Space Telescope search for potentially habitable exoplanets.
European scientists are developing an inflatable radio telescope concept that could do groundbreaking science on the moon.
Astronomers have observed the Tarantula Nebula at the heart of the Large Magellanic Cloud, finding that powerful magnetic fields ensure its survival and regulate star birth.
The Geminid meteor shower, which happens every December, comes from a space rock with a comet-like tail. New research suggests a violent origin story.
Astronomers are once again ringing alarm bells about rising light pollution destroying pristine night skies. This time, though, their worries extend beyond their core discipline.
Reference Saturn has the most moons of any other planet in the solar system. Here we explore some of the 145 moons that orbit the ringed planet.
A striking new postcard from NASA's Curiosity rover shows the Marker Band Valley region of Mars in the morning and the afternoon.
Astronomers have taken a deeper look at the scorching hot giant exoplanet WASP-76b, where iron rains from the sky to determine the other chemical elements that comprise its blistering atmosphere.
For the first time, phosphorus — the rarest of six elements upon which life as we know it depends — has been found in a tiny ocean-bearing moon in our solar system.
Astronomers using the James Webb Space Telescope have determined that stars in early galaxies transformed the gas throughout the universe from opaque to transparent.
Astronomers studying the fastest and most dramatic nova ever recorded continue to find more puzzles than answers, most recently in the form of unexpected radio emissions.
How hot Jupiters form and evolve is one of the oldest questions in exoplanet research.
European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and technology for future moon landings as part of the NASA-led Artemis missions.
Scientists have found a white dwarf that is cooling and crystallizing into a giant diamond.