Don Pettit: Astronaut, Mr. Science, Space Gardner and Astrophotographer Extraordinaire

12 years ago

After completing 193 days in space as a member of the Expedition 30 and 31 crews, astronaut Don Pettit returned…

Design for a Long Duration, Deep Space Mission Habitat

12 years ago

Caption: The integrated vehicle stack for a deep space human mission concept. Credit: NASA There are all sorts of details…

Space Junk: Ideas for Cleaning up Earth Orbit

12 years ago

Caption: Artist's impression of debris in low earth orbit Credit: ESA Space may be big -- vastly, hugely, mind-bogglingly big…

Dawn’s Vestan Endeavour Exceptionally Exciting near End of Year-Long Super Science Survey

12 years ago

Image Caption: Divalia Fossa equatorial trough at Vesta pictured in side by side images showing apparent brightness and topography. The…

A Shimmering, Simmering Sunspot

12 years ago

This quick animation made by astrophotographer Alan Friedman shows a 30-minute view of sunspot 1520, a large region of magnetic…

Virgin Galactic Announces New Satellite Launcher

12 years ago

Caption: Richard Branson at the Farnborough International Airshow showing a model of LauncherOne. Credit: Virgin Galactic. Virgin Galactic’s latest venture…

Hubble Spies Tiny, Ancient ‘Ghost Galaxies’

12 years ago

They're out there; tiny, extremely faint and incredibly ancient dwarf galaxies with so few stars that scientists call them 'ghost…

Fifth Moon Found Around Pluto

12 years ago

This just in! Astronomers working with the Hubble Space Telescope have spotted a new moon around distant Pluto, bringing the…

Dark Galaxies Found from the Early Universe

12 years ago

Caption: This deep image shows the region of the sky around the quasar HE0109-3518, near the center of the image.…

The Moon Is Toxic

12 years ago

As our closest neighbor in space, a time-capsule of planetary evolution and the only world outside of Earth that humans…