Safe to say that space exploration comes with an acceptance of risk? Yes, I was front row to so many spacecraft failures. It was disheartening. I would say risk is something you accept, but more ...

Carl Kuehner became Blue Origin's astronaut number 70, which based on prior precedent, was determined by the seat on board ...

This spectacular star-forming region is one of the first images from the new Vera C. Rubin Observatory in Chile.

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

Scripted by Rip Van Ronkel, James O’Hanlon, and influential sci-fi author Robert A. Heinlin, it’s one of the first science ...

Yet the burst had us intrigued. For one thing, this burst was fast. The fastest known fast radio burst lasted about 10 ...

California physicist and astronaut Sally Ride became the first American woman to blast off into space, thrusting her into the national spotlight. But beneath her unflappable public persona, she ...

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

The Center for Space Exploration Research at the University of California, Davis, has partnered with Proteus Space to launch ...

Sally K. Ride (May 26, 1951–July 23, 2012) became the first American woman in space in 1983. She was one of six women selected to enter the astronaut corps in 1978. While all six women flew on space ...

Where, exactly, is the edge of space? It depends on who you ask. With more countries and commercial companies heading into the stratosphere, the debate about how to define outer space is heating up.