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Crop circles seen from space
An astronaut aboard the International Space Station captured this photograph of circular farming patterns in Sharq El Owainat in southwestern Egypt.
September 26, 2017
How fast is our universe expanding?
Here's a great New ScienceCast video about the controversial Hubble Constant. It's the key to knowing the age of our universe and much more.
September 26, 2017
Moon next to Saturn on September 26, 2017
Look for Saturn near the moon on September 26. Would Saturn really float on water? Facts here.
September 26, 2017
Giant iceberg on the move
The calving of this iceberg in July reduced the size of Antarctica's Larsen C ice shelf by 12 percent. The berg hung near the coast awhile, but now it's seen drifting.
September 25, 2017
Fast radio bursts firing every second?
New theoretical work indicates at least 1 fast radio burst, or FRB, going off somewhere each second. It contradicts the idea that FRBs might be evidence of an alien technology.
September 25, 2017
Moon, Antares, Saturn on September 25, 2017
On September 25 and 26 , 2017, watch for the waxing crescent moon to swing to the north of the star Antares, then to the north of the planet Saturn.
September 25, 2017
Sun photobombed Mars encounter with comet Siding Spring
Comet Siding Spring swept closer to Mars than any known comet in recorded history, creating the largest-ever-known meteor shower. But the sun got in on the act.
September 24, 2017
How well can seeds survive in space?
If humans want to live on Mars, we're going to need to grow food. How well can seeds survive harsh, non-Earth conditions?
September 23, 2017
Biblical signs in the sky on September 23, 2017?
A mirror in the sky to "signs" from the Bible's Book of Revelation? Possibly. But this same sky scene has been seen 4 other times in the past 1,000 years. An astronomer explains.
September 23, 2017
Astronomers find strange, comet-like double asteroid
Comets are loose collections of ice and dust, sometimes with long tails. Asteroids are more rocky or metallic. Now astronomers have found a comet-like double asteroid.
September 23, 2017
