Pettit made a name for himself as an astrophotographer after sharing his image 'Lightning Bugs' in 2012 showing beautiful ...

NASA astronauts Don Pettit and Matt Dominick answered questions from chat and discussed daily life on the ISS.

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the ...

A group of foreign tourists who were taking a catamaran tour in Tierra del Fuego captured some of the clearest photos of a UFO ever taken. The mysterious ...

NASA astronaut Suni Williams was undertaking a repair on the ISS when she was photographed from Earth by an amateur ...

The General Services Administration plans to cut its budget in half and ramp up monitoring of staff. And, Elon Musk could ...

This free, AI-powered smartphone tool, developed by an astronomy educator, is designed to make astrophotography easy and ...

This image of the galaxy cluster Abell 2744 is from the Frontier Fields project, using natural gravitational lenses and ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

Designing a space station is taking a little longer than Vast expected, but the company is still moving at a breakneck pace.

That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...