A SpaceX Crew Dragon spacecraft suffered an anomaly during an engine test in Florida Saturday (April 20), company officials said.
Technicians have assembled the capsule that will keep NASA's Mars 2020 rover secure for its wild ride to the Red Planet's surface.
An independent report concluded that NASA has no chance of sending humans to Mars by 2033, with the earliest such a mission could be flown being the late 2030s.
The international team responsible for the first-ever image of a black hole's shadow already has plans to take a better, more detailed image.
NASA has a new social media campaign to gear up its audience for Earth Day, an annual event to celebrate our planet – and the importance of protecting the environment – on April 22.
SpaceX has pushed back the launch of its next robotic resupply mission to the International Space Station by four days, to April 30.
Senate Armed Services Committee Chairman Sen. James Inhofe (R-Okla.) said the hearing was an "opportunity to continue to gather facts and to fully explore the proposal."
On April 18, the European Space Agency released an image featuring the hourglass-shaped Southern Crab Nebula to celebrate the Hubble Space Telescope's birthday coming up next week.
A slower, thoughtful episode beautifully observes and parodies human behavior in "The Orville" season's penultimate episode.
The huge team behind the Event Horizon Telescope already made news with their first image of a black hole. But they've got bigger ambitions.
The next space station crew will discuss their upcoming mission today at 2 p.m. EDT (1800 GMT). Watch it live here.
One of the oldest known annual meteor showers, peaking early this week, may unfortunately be hindered by an almost-full moon.
On April 20, 2016, the moon did not turn green, despite a viral internet meme. See how it happened in our On This Day in Space videos series!
A solid metallic core nearly as large as Earth's might be lurking deep within the solar system's smallest planet.