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.
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.
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.
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.
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.
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!
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 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.