Watch Neil de Grasse Tyson on the Science of The Good Dinosaur

Pixar’s The Good Dinosaur hits cinemas this Wednesday, just in time for the Thanksgiving holiday. And who better than Neil de Grasse Tyson to indulge in a bit of playful speculation about the film’s premise: what if the K-T asteroid that wiped out the dinosaurs 65 million years ago had missed Earth? »11/23/15 9:31am11/23/15 9:31am

That "Spooky" Halloween Asteroid is a Dead Comet That Looks Like a Skull

If you weren’t already having nightmares about the “Halloween asteroid” taking a detour and crashing into New York City, well, this space rock just got a little spookier. First off, Spooky isn’t an asteroid; according to NASA, it’s a dead comet. Worse! It looks like a haunted human skull. »10/31/15 10:30am10/31/15 10:30am

This Is the Insane Metallic World NASA Wants to Explore Next

NASA announced the finalists for its next round of planetary explorations. There were the usual suspects—Venus, Jupiter’s asteroids—and, then, there was this: An asteroid, composed almost entirely of (possibly magnetic) metal, with a crust literally beaten away by interstellar collisions, named Psyche. Pardon? »10/01/15 3:48pm10/01/15 3:48pm

On Friday, asteroid 2014-YB35 is expected to make its closest approach to Earth.

On Friday, asteroid 2014-YB35 is expected to make its closest approach to Earth. Traveling at over 23,000 mph (37,000 km/h), NASA says the 6.2 mile (1,000 meter) asteroid won't get any closer than 2.7-million miles (4.4 million km). That's nearly 12 times the distance from Earth to the Moon – so relax. »3/26/15 5:40pm3/26/15 5:40pm

Philae's Discovery Of Organic Molecules Is Actually Not A Big Deal

Prior to going into hibernation mode, the Philae lander hurriedly conducted a number of experiments and sent its findings back to Earth. Preliminary analysis shows that the icy and dust-covered comet contains organic molecules. It's a cool discovery, no doubt, but one that shouldn't be exaggerated in terms of its… »11/19/14 12:40pm11/19/14 12:40pm