We're officially nine months into solar cycle 25, scientists have confirmed, and it will likely look much like its predecessor, which ran from 2008 to 2019.
A spectacular new set of images of our sun shows its popcorn-like magnetic field structure in all its glory.
A long-retired NASA satellite burned up in Earth's atmosphere over the weekend, the agency has confirmed.
California is on fire, with more than 360 individual blazes scorching across the state. Unsurprisingly, the effects are visible from space.
For a few months in 2018, as NASA's Dawn spacecraft used up its last drops of fuel, it gave scientists an incredibly detailed look at one of the strangest places in the solar system: Occator Crater.
Early Mars may not have been quite the warm, wet paradise scientists have hoped for — not if the valleys scarring its surface work the same way as their counterparts here on Earth do.
NASA's Mars 2020 Perseverance rover entered "safe mode" after a successful launch Thursday (July 30), but should recover, NASA says.
A spacecraft is only as strong as its power source, which is why when NASA was designing its Perseverance Mars rover, the agency turned to radioactive plutonium.
An observatory affiliated with NASA's quest to identify potentially dangerous asteroids spotted something equally speedy but not quite as natural: a spacecraft bound for Mars.
It took just one round of photographs from a new solar science spacecraft for scientists to learn something new about the sun.
Each year, dust from the Sahara Desert blows off Africa and across the Atlantic, but most years that plume isn't so massive it's nicknamed "Godzilla."
Black holes aren't supposed to produce flashes of light. But scientists think that last year, they spotted black holes doing just that.
There's a light at the end of the tunnel for the first mole to burrow into the surface of Mars, scientists hope.
Sharp-eyed skywatchers in parts of the world may be able to catch a slight lunar eclipse today as Earth embarks on a new "eclipse season," although North American viewers will be out of luck.
The hundreds of people who have been to space have traveled on just a handful of vehicles, eight in all over nearly six decades of spaceflight.
Government satellites have spotted the first named storm of the 2020 Atlantic Ocean hurricane season, Tropical Storm Arthur, swirling off the coast of North Carolina.
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.