Comet Siding Spring
By Unknown Author Comet Siding Spring will sweep past Mars in October, then follow other recent comets around […]
Science
Opportunity, Curiosity, but No View of Mars Sky Show
By KENNETH CHANG The comet Siding Spring dropped tons of dust into the planet’s atmosphere as it passed […]
In Texas, Preserving a Neighborhood for Bats
By CLAIRE MALDARELLI A $20.5 million land purchase near San Antonio will keep the runway for 20 million […]
The Map of Dione
This cylindrical projection global map is one of six new color maps of Saturn’s midsized icy moons, constructed […]
SH2-155: The Cave Nebula
This colorful skyscape features the dusty Sharpless catalog emission region Sh2-155, the Cave Nebula. In the composite image, […]
Signs of the Evolutionary Step Ichthyosaurs Took From Land to ...
By DOUGLAS QUENQUA Ichthyosaurs, which loosely resembled dolphins, have long been an evolutionary mystery. Now, researchers say they […]
In a Mother’s Milk, Nutrients, and a Message, Too
By CARL ZIMMER A new study of infant monkeys demonstrates that a hormone present in a mother’s milk […]
A Lucky Find in Madagascar, Skull Reveals Ancient MammalSkull
By THE ASSOCIATED PRESS During the dinosaur age most mammals were puny. Now a bizarre fossil skull from […]
Soviet-Era Engine Is Blamed for Antares Rocket Explosion
By KENNETH CHANG The Orbital Sciences Corporation said that a preliminary analysis pointed to a failure of a […]
NGC 4762: A Galaxy on the Edge
Why is there a bright line on the sky? What is pictured above is actually a disk galaxy […]