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View full size. Credit: NASA/JPL-Caltech/MSSS/TAMU
Science Wire | Mar 02, 2015

See Earth in Mars’ night sky

A human observer with normal vision, standing on Mars, could easily see Earth and the moon as two distinct, bright evening or morning “stars.”

Image Credit: Gunnar Ries
FAQs | Mar 01, 2015

What’s the birthstone for March?

March has two birthstones – the aquamarine and the bloodstone.

Phobos (brighter) and Deimos, seen from Mars
FAQs | Feb 27, 2015

How do Phobos and Deimos look from Mars?

Phobos and Deimos are Mars’ two tiny moons. They don’t look like our moon does, from Earth.

John Glenn and Friendship 7
Blogs | This Date in Science | Feb 20, 2015

This date in science: John Glenn first American to orbit Earth

On February 20, 1962, John Glenn became the first American to orbit the Earth. He made three turns around the planet before returning safely.

sheep-display-hong-kong-2015-AFP-cp
Blogs | Feb 18, 2015

Happy Chinese New Year 2015!

This year’s Chinese New Year – February 18-19 – rings in the Year of the Sheep (Goat, Ram). Gong Xi Fa Ca, y’all.

10feb04_430
Tonight | Feb 16, 2015

Blue-white Rigel is at the foot of Orion

Look for the bright star Rigel below Orion’s Belt stars. If this star were as close as our sun, it would outshine the sun by 40,000 times!

Romantic_kiss_by_Caramellina
Science Wire | Feb 14, 2015

Video: The science of kissing

Why do we kiss? Well, duh, because it feels good. But why does it feel good?

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Tonight | Feb 14, 2015

Somber Betelgeuse shines in Orion’s shoulder

Betelgeuse is a rare supergiant star. There might be only one red supergiant star like Betelgeuse for every million stars in our Milky Way galaxy.

Photo credit: U.S. Air Force/Lawrence Crespo
Blogs | This Date in Science | Feb 13, 2015

This date in science: Chuck Yeager’s birthday

On February 13, 1923, Chuck Yeager, the first pilot to break the sound barrier, was born in Myra, West Virginia.

cropped-comet-surface
Science Wire | Feb 11, 2015

Why comets are like deep fried ice cream

Astronomers tinkering with ice and organics in the lab might have discovered why icy comets have hard, outer crusts.