Philae’s Wild Comet Landing: Crater Grazing, Spinning And Landing In Parts Unknown
No, scientists haven't found Philae yet. But as they churn through the scientific data on the comet lander, more information…
Observing Challenge: How to See Asteroid Hebe, Mother of Mucho Meteorites
In the reeds that line the banks of the celestial river Eridanus, you'll find Hebe on the prowl this month. Discovered in 1847…
Pluto’s Closeup Will Be Awesome Based On Jupiter Pics From New Horizons Spacecraft
New Horizons, you gotta wake up this weekend. There's so much work ahead of you when you reach Pluto next…
Orion’s ‘Glass Cockpit’ Will Steer Astronauts Through The Solar System
If it's good enough for a Boeing 787, it's gotta be good enough for space, right? NASA's Orion spacecraft --…
NASA Premiers New Countdown Clock for Orion’s First Launch
KENNEDY SPACE CENTER - Just in the nick of time, NASA powered up its new countdown clock at the Press…
What Is John Dalton’s Atomic Model?
Atomic theory - that is, the belief that all matter is composed of tiny, indivisible elements - has very deep…
What Percent of Earth is Water?
The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it…
Astronomy Cast Ep. 359: Modern Women: Margaret Geller
Margaret Geller is best known for her work on the large scale structure of the Universe, helping us understand the…
Watch Asteroids Whiz by the Earth-Moon System This Week as First Steps Toward Asteroid Exploration Leave the Launch Pad
It’s a dangerous universe out there, for a budding young space-faring species. Killer comets, planet sterilizing gamma ray bursts, and…