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Buried glaciers on Mars
NASA / JPL / UT Austin / UA / MSSS / ESA / DLR

Detective Work Reveals Mars's Watery Past

New findings announced this week suggest that the Red Planet may have had an ancient ocean after all and that buried glaciers of ice have turned up in surprising places. > read more

observing
Venus passing Lambda Sagittarii
This Week's Sky at a Glance
Every day Venus and Jupiter are drawing closer together in twilight. And on Monday the 17th, Venus scrapes by a 2nd-magnitude star. > read more
equipment info
Photo Gallery
Constellation of Scorpius
Photo Gallery
Here we showcase amateur astrophotos from visitors to our online photo gallery. > read more

 

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WORLDWIDE TELESCOPE
Join our WorldWide Telescope community. Download interactive star-hop tours, upload your astrophotos, and more. > join today
 
LET'S GO STARGAZING!
Astronomy doesn’t have to be hard! Inside here are articles for stargazers of all ages — in clear, easy-to-understand language. > read more
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