First named feature on a comet!

Scientists have named one of the largest boulders on Rosetta’s comet after an Egyptian pyramid.

Join EarthSky’s Deborah Byrd at online viewing of total lunar eclipse

Slooh.com invites stargazers worldwide for an online viewing of the total eclipse of the moon on October 8. Deborah Byrd will be on hand as a special guest.

Is the October 8, 2014 full moon a supermoon?

There's disagreement on whether the October 8, 2014 full moon should be called a supermoon. If it is one, it's a super Hunter's Blood Moon ... in eclipse.

Mega flares from a mini star

You've heard of X flares from our sun? This mini star's biggest flare - seen in April, 2014 - was 10,000 times bigger than the biggest known solar X flare.

What is the moon’s Ocean of Storms?

Oceanus Procellarum - the lunar Ocean of Storms - is a vast volcanic plain, thought to have been created in an ancient asteroid impact. More recently, scientists came to believe it formed via processes within the moon itself.

U.S. and India to collaborate on Earth and Mars missions

Both NASA and the Indian Space Research Organization placed spacecraft in orbit around Mars last month. They'll join forces on an Earth-orbiting mission set for 2020.

Mars and its atmosphere, seen by MOM spacecraft

Two early images from India's MOM spacecraft. One shows an edge of Mars, with the planet's tenuous atmosphere above. The other shows the whole planet. Beautiful!

Curiosity rover drill pulls first taste from Mars mountain

The mission's emphasis has changed from drive, drive, drive to systematic layer-by-layer investigation. "Curiosity flew hundreds of millions of miles to do this."

The water in your bottle might be older than the sun

Up to half of the water on Earth and throughout our solar system likely originated as ices that formed in interstellar space.

A young galaxy in the local universe?

The nearby dwarf galaxy DDO 68 - only 39 million light-years away - looks young. But its nearness to us in space suggests it's not as young as it looks.