NASA has selected a heliophysics mission to move into the next phase of development amid broader concerns about the state of the field.

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

A strange X-ray signal spotted decades ago may be the result of a star that got attacked by two black holes, one after the ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

This aircraft could offer some impressive capabilities.

Decades before hypersonics entered today's headlines, NASA drafted an aircraft that bordered on surreal. Discover the story ...

The F-15 is the fastest Boeing fighter jet, but it is not the fastest military jet Boeing has built or claims lineage.

NASA has revealed more detail about the recent first flight of its X-59 Quesst supersonic demonstrator jet, a milestone the agency describes as demonstrating its continued ability to manage ...

SpaceX has fallen behind in developing a crewed lunar lander for NASA’s Artemis 3 mission, prompting the agency to reopen the contract to other providers. The added pressure has pushed SpaceX to ...

Blue Origin successfully launched—and partially landed—its New Glenn rocket on Thursday. The achievement marks a major step forward in the company’s bid to rival SpaceX as a reliable provider of ...

The "quiet" supersonic aircraft developed by NASA and Lockheed Martin has completed its first flight in California. Dubbed the X-59 Quiet SuperSonic Technology Aircraft, or Quesst, it is a sleek ...