The NASA-led Artemis II mission encountered an unexpected helium issue that will delay the highly anticipated launch of four astronauts to deep space.

What if NASA could power the entire planet from space? 🚀 In this video, we break down NASA’s bold plan to build city-sized solar power stations in orbit and beam clean energy back to Earth. Discover ...

Astronomers have captured the first views of a young sun-like star blowing bubbles, offering a rare glimpse at how our solar ...

Questions about what the federal government may know about extraterrestrial life in the cosmos — or possibly even here on ...

The State of the Union offers President Donald Trump a chance to make the case for his foreign policy efforts to Americans who are increasingly demonstrating uneasiness about his priorities.

Cunningham was called for an offensive foul after extending his arms and knocking Castle down on the court. Spurs forward ...

Orbital Debris Assessment Report (ODAR) analysis and the observed success of commercial operators, plus the instinct to copy what worked last time, have produced modest success. Satellites are small ...

There are things the NASA chief has "come across in the job that he can’t explain," but aliens are not among them.

NASA's new moon rocket has suffered another setback, putting next month's planned launch with astronauts in jeopardy.

Amy Shira Teitel says past Moon missions delivered a clear purpose and impact, while Artemis II lacks clarity, ...