December 10, 2018, 12:10 p.m. by Noel Kirkpatrick
NASA shares images of the Martian surface and audio recordings of wind.
We may know where the bizarre, cigar-shaped interstellar object 'Oumuamua came from
November 9, 2018, 9:57 a.m. by Bryan Nelson
The object may have been tumbling through interstellar space for billions of years, scientists say.
Comet's historic flyby may be visible for the holidays
November 9, 2018, 8:23 a.m. by Michael d'Estries
Should 46P Wirtanen meet expectations, it could be the brightest comet we'll see for quite some time.
When Earth gets this colorful sheen, it's called airglow
November 8, 2018, 9:17 a.m. by Noel Kirkpatrick
An astronaut aboard the International Space Station caught Earth as it was enveloped in an airglow, diffuse bands of lights in the atmosphere.
One of the oldest stars was just found mysteriously lurking in our galactic backyard
November 5, 2018, 5:04 p.m. by Bryan Nelson
Stars this ancient aren't supposed to exist inside our galaxy.
BepiColombo spacecraft to probe the secrets of Mercury
November 3, 2018, 8:20 a.m. by Michael d'Estries
It's time we knew more about this misunderstood terrestrial world.
The controversy behind the world's next great telescope
November 2, 2018, 10:52 a.m. by Robynne Boyd
Thirty Meter Telescope will be built in a culturally and ecologically sensitive area of Hawaii.
Otherworldly light pillars captured over Whitefish Bay
November 2, 2018, 8:22 a.m. by Michael d'Estries
This dazzling optical phenomenon is cause by light interacting with ice crystals in the atmosphere.
NASA just came up with a brilliant way to turn Martian soil into rocket fuel
November 1, 2018, 10:03 p.m. by Bryan Nelson
The plan could make human missions between Earth and Mars more practical.
The Kepler Space Telescope is dead. Long live Kepler!
October 31, 2018, 11:37 a.m. by Michael d'Estries
After nearly a decade of searching the Milky Way for Earth-size exoplanets, the space telescope has finally run out of fuel.