Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Asteroid that flew past Earth on Monday has a moon!
Radar images of asteroid 2004 BL86 confirm the primary asteroid is 1,100 feet (325 meters) across with a small moon 230 feet (70 meters) across.
January 27, 2015
Big asteroid swept close on January 26
Asteroid 2004 BL86 came closer than any known asteroid this large until 2027. Information and photos of the asteroid, plus links to more.
January 26, 2015
The intriguing crack in Rosetta’s comet, and more
Scientists publish a slew of science results from the Rosetta comet mission. Among the most fascinating ... a crack in the comet's neck! Plus dust and jets, the mysterious double-lobed shape, and more.
January 26, 2015
Seasons are changing on Rosetta’s comet
Two photos from the Rosetta spacecraft – one from last November, and one from a few days ago – show a comet’s seasons changing.
January 26, 2015
Is our Milky Way a wormhole?
In theory, our home galaxy Milky Way could be a wormhole - a galactic transport system - says a team of astrophysicists.
January 24, 2015
Friday night’s rare triple shadow transit of Jupiter
Three moon shadows at once on Jupiter Friday night! It won't happen again for U.S. observers until the year 2032. You can also watch online.
January 22, 2015
Venus vortex!
This ghostly puff of smoke is actually a huge mass of swirling gas and cloud at planet Venus’ south pole, as seen by ESA’s Venus Express spacecraft.
January 21, 2015
Video: The scientific power of meditation
Once you watch this video, you'll understand why people have been practicing meditation for thousands of years.
January 21, 2015
Video: How the smell of rain happens
When a raindrop hits a surface, tiny air bubbles burst from the drop in a fizz of aerosols. Watch the high-speed video.
January 20, 2015
Ceres’ mysterious white spot seen in new Dawn image
Dawn spacecraft now closing in on dwarf planet Ceres. Image is for navigation purposes; next one due late January. And what is that white spot, anyway?
January 19, 2015
