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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
Solar minimum is coming
Low ebb in the 11-year sunspot cycle expected 2019-2020. Want some basic information about the sunspot cycle and its effects? Watch this NASA ScienceCast.
July 7, 2017
How do planets form after star death?
Supernova explosions destroy pre-existing planets. Yet astronomers observe planets orbiting tiny, dense, essentially dead neutron stars left behind by supernovae. How do the planets get there?
July 6, 2017
Do you have what it takes to live on Mars?
If it's your dream to travel to the Red Planet, check out this video for some things you might want to consider.
July 5, 2017
Juno to buzz Jupiter’s Great Red Spot
On July 10, we'll get humanity's first up-close and personal view of the spot -- a storm monitored since 1830 and possibly existing for more than 350 years.
July 4, 2017
Mystery of the moon’s tilted orbit
Had things gone differently in the early days of the inner solar system, the magnificent spectacle of a total solar eclipse might be a monthly event.
July 3, 2017
