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Astronomy February 13, 2017

'Superflares' likely made Proxima b uninhabitable long ago

The nearby alien planet Proxima b is not a great candidate to host life as we know it, a new study suggests.

NASA January 26, 2017

Saturn's moon sparks 'Death Star' comparisons

This week NASA released an image of Saturn鈥檚 icy moon Tethys. The Twitterverse responded by comparing the heavenly body to the Death Star from 鈥淪tar Wars鈥�.

NASA January 25, 2017

Cassini captures another stunning view of Saturn and its rings

NASA's Cassini spacecraft is known for some of the most extraordinary images of Saturn , and its rings and moons, that we have seen.

Mars January 20, 2017

Mud cracks on Mars suggest a watery ancient past

NASA's Curiosity rover has photographed shallow crevices on Mars that may have formed from ancient mud cracks, yet more evidence that the planet had a watery past.

Planets January 19, 2017

Giant mystery wave spotted in atmosphere of Venus

A huge wave has been spotted in the upper atmosphere of Venus, baffling scientists because it's staying so still above the planet's surface.

Planets January 13, 2017

NASA's Juno spacecraft to become fastest man-made object as it slingshots around Earth towards Jupiter

At 3:21 pm (EDT), NASA'S Mission Juno spacecraft will slingshot around Earth towards Jupiter picking up speed to become the fastest man-made object in history.

Planets January 13, 2017

The reasons for seasons: Why summer just ended and fall began

Yesterday, at exactly 4:44 p.m., the first day of the fall season began. We know what that means: pumpkin lattes, the crunch of leaves beneath your boots and brisk weather. But there's more to fall than apple picking -- the new season marks a shift in the Earth's axis.

Astronomy January 12, 2017

Is the Milky Way's black hole producing speeding 'spitballs'?

Apparently no one told the black hole at the center of our galaxy that it鈥檚 impolite to spit in public.

Planets January 5, 2017

Scientists finally understand Pluto's ice towers

Cold, dark, distant Pluto is home to giant ice ridges, and now scientists are closer to understanding how they formed.

Planets January 3, 2017

NASA's Curiosity rover spots purple rocks on Mars

Mars may appear red when viewed from Earth, but NASA's Curiosity rover has captured an up-close photo of the planet's mountainous landscape, with purple-colored rocks littered across the foreground.

Planets December 29, 2016

Weird clouds linger on Saturn's moon Titan

Mysterious, thin, wispy clouds hide under the hazy upper atmosphere of Saturn's largest moon, Titan.