The largest piece of Martian rock on Earth, weighing around 32 pounds, has gone on display for the first time, at a museum in Maine.
Scientists have figured out the average color of the universe by recording visible light from more than 200,000 galaxies.
Scientists have used computer models to predict the size of minuscule deformations, or mountains, on the surfaces of neutron stars, which are responsible for causing gravitational waves as they spin.
NASA has released striking satellite images of wildfire smoke clouds covering vast swaths of the U.S., from the West Coast all the way to the Atlantic Ocean.
Atoms are the building blocks of all matter in the universe, but how many are there in the part of it we can see from Earth?
Astronomers have identified the universe's oldest spiral galaxy from a blurry image captured by the ALMA observatory.
Scientists using South Africa's MeerKAT radio telescope have detected 8 new millisecond pulsars in the hearts of globular clusters.
Scientists have detected the largest stellar flare ever recorded from Proxima Centauri. The finding changes what we know about stellar flares and the potential for alien life around red dwarfs.
Walking around the moon could be faster than we originally thought, but actually doing it would require some serious planning.
A rare fireball meteor bright enough to be seen during the day triggered a massive sonic boom over parts of the UK and France.
The world's oldest meteor impact crater is not a crater at all, say scientists of a new study suggesting natural forces put the giant indent into Earth's surface. But the jury is still out.
Scientists have unveiled plans for a lunar ark on the moon containing genetic information on 6.7 million species to ensure their preservation against existential threats.
Zircon crystals found in stream sediments in Greenland have revealed how the Earth's crust rapidly grew during peak mantle activity.
In 2021, atmospheric carbon dioxide concentration will be 50% higher than preindustrial levels, despite reduced emissions during the pandemic and a natural cooling event.