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Spectacular meteor shower on Mars from Comet Siding Spring
Several craft orbiting Mars saw its aftermath. Also, after Siding Spring passed, the MAVEN mission got the first direct measurements of dust from an Oort Cloud comet!
November 10, 2014
Bright fireball seen over San Antonio, Texas
Hundreds of sky watchers in Texas reported a bright meteor or fireball Saturday night. It was said to be greenish in color and to rival the brightness of the sun!
November 9, 2014
Curious about dark matter? Three scientists answer your questions
Why do you bet on axions or WIMPs?
If you find dark matter, what are the next steps?
Will we need a whole new "Dark Standard Model"?
What's it like searching for something you may never find?
November 9, 2014
New rocket findings might change definition of galaxies
Galaxies might not have such discreet boundaries as we imagined. Instead, they might stretch out to great distances, forming a vast, interconnected sea of stars.
November 8, 2014
Astonishing image of planet-forming disk from ALMA
It looks like an artist's illustration, but it's a real image and it lets us glimpse the process by which planets are born in orbit around their stars.
November 6, 2014
How G2 survived the black hole at our Milky Way’s heart
Astronomers watched in fascination as an object called G2 appeared to edge closer to our Milky Way's central black hole. But G2 survived!
November 4, 2014
Video: How to land on a comet
On November 12, the Rosetta spacecraft will attempt something "ridiculously difficult:" landing a probe on the surface of a speeding comet.
November 4, 2014
How a violent collision at Vesta’s pole formed equatorial grooves
Researchers used an ultra-high-speed cannon to simulate a collision on Vesta. Images taken at a million frames per second show how Vesta got its grooves.
November 4, 2014
Collect call from E.T. Do you accept the charges?
Odds are there’s intelligent life out there somewhere among the stars. Why haven’t we heard from an alien civilization? One viewpoint, in this article. What do YOU think?
November 4, 2014
Cassini captures sunglint from Titan’s seas
Here's a newly released color mosaic of Titan - taken in near-infrared part of the spectrum - showing the sun glinting off of Titan's north polar seas. Beautiful!
November 3, 2014
