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No commands to Mars craft in late July
NASA says to blame the sun for its moratorium on sending commands to Mars from July 22 to August 1.
July 15, 2017
Strange radio signals from nearby star
A 10-minute observation in May of nearby star Ross 128 yielded a peculiar radio signal. Further observations planned for Sunday night.
July 14, 2017
Planet 9 hypothesis alive and well
Is there an unknown, massive planet on the fringes of our solar system? New work that claims to remove "observational bias" also supports this very exciting possibility.
July 14, 2017
Wow! Juno’s super-close Red Spot images
Raw images from the Juno spacecraft's extremely close sweep past Jupiter's Red Spot are beginning to come in. NASA invites you to help process them!
July 12, 2017
Astronomers find the smallest star yet
This star is just a sliver larger than Saturn, not even the largest planet in our solar system. Yet it's massive enough to shine as a star, and its pull of gravity is some 300 times stronger than Earth's.
July 12, 2017
Dawn at Saturn
Although the Cassini spacecraft - now on the verge of running out of fuel - is in its final year in orbit around Saturn, it's still producing heart-stirring images.
July 12, 2017
James Webb Telescope chillin’ in Houston
In hot Houston, the telescope hangs in historic Chamber A at Johnson Space Center, with the best air conditioning available. It'll soon receive a last test of its ability to withstand the cold of space.
July 11, 2017
Astronomers track hypervelocity stars
New video shows 6 hypervelocity stars, zipping from Milky Way center to outskirts. An interaction with our galaxy's central, supermassive black hole might have kicked them into fast motion.
July 10, 2017
100 billion failed stars in Milky Way?
A recent survey revealed 1 brown dwarf for every 2 stars in the star cluster RCW 38 and other clusters. "There are a huge number of brown dwarfs out there," astronomers said.
July 8, 2017
Sunspot, and chance of weekend storms
Experts say there's a 60% chance this weekend of geomagnetic storms, possibly causing auroras. Plus, over the past couple of days, a lone sunspot has grown rapidly!
July 7, 2017
