Arecibo Observatory is facing a mid-life crisis — or something much worse.
The National Science Foundation (NSF) will decommission Arecibo Observatory's massive radio dish after damage has made the facility too dangerous to repair, the agency announced today (Nov. 19).
SpaceX CEO Elon Musk has announced that he has received mixed results from tests meant to diagnose infections of the novel coronavirus.
The famed Arecibo Observatory in Puerto Rico has suffered another major blow in a difficult year that has seen two snapped cables damage the fragile dish.
Scientists think they have identified a lava world so dramatic that it might boast a thin regional atmosphere of vaporized rock where it is closest to its star.
As soon as he saw the data, Paul Chodas knew something was strange about the near-Earth object that had been designated 2020 SO.
Three astronauts made a record-setting jaunt to the International Space Station, and another astronaut already in orbit caught stunning photos of the launch.
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.