Scientists suspect they have identified an intriguing new alien planet in a particularly roundabout way.
Scientists have gotten their best look to date at three chaotic patches on the icy surface of Jupiter's moon Europa thanks to decade-old images from a long-defunct spacecraft.
A spacecraft bound for Mercury beamed home stunning views of Earth during a crucial flyby conducted early today (April 10).
A scarlet fan spread across the skies over Japan 1,400 years ago, and it's been puzzling astronomers ever since.
Buried inside data Voyager 2 gathered at Uranus more than 30 years ago is the signature of a massive bubble that may have stolen a blob of the planet's gassy atmosphere.
As the world scrambles to confront the disease caused by a novel coronavirus, Italy has been forced to take such dramatic measures that the country's emissions have changed, as seen from space.
It's the award no one wanted to win: 2019 was the second hottest year on record, government scientists confirmed yesterday (Jan. 15).
A U.S. facility — designed in part to solve the mysteries of dark matter — now officially carries the name of the scientist who concluded that the elusive substance must exist.
The troubled "mole" on NASA's InSight Mars lander is moving again, even as scientists working on the robot's seismometer ponder new marsquake mysteries.
Scientists and amateurs alike have spent months combing through images from NASA's Lunar Reconnaissance Orbiter looking for the remains of India's moon lander — and that search has paid off.
Weather models are a daily staple of life on Earth, but they can go interplanetary as well, sometimes with a boost from Earth's most sophisticated computers.
Humans have questions about alien life. But those beings, if they exist, likely have some questions of their own about humans, queries we may want to answer before we find any life beyond Earth.
Scientists studying Mars have wanted pieces of the Red Planet here on Earth for decades, and they are finally getting their shot at designing a mission to acquire such souvenirs.
How long until we find evidence of life beyond Earth? If a panel of experts is on track with their estimates, it may be sooner than you think.
Israel had pinned its hopes on becoming the fourth country to land softly on the moon, and although the country's team failed on the first try, it still intends to try to claim that coveted title.
Observations of the interstellar Comet Borisov have been flooding in for six weeks, and the more astronomers duplicate one another's work, the more confident they are in their analysis of the object.
The Nobel Prize in physics this year has gone to two very different research threads — and danced around some big societal issues, even as they celebrate distinguished work.
It looks like just a barren moonscape of craters, but somewhere in this image is a hunk of metal and electronics that carried a country's hopes of lunar science.
The best view of today's crew launch turned out to be from the spacecraft's destination itself, the International Space Station.
A bright speck in the night sky may be the second known object to hurtle through our solar system after leaving another.
India's daring moon mission, Chandrayaan-2, lost contact just above the lunar surface, dashing Indian dreams of becoming just the fourth country to successfully land on the moon.