Comet Siding Spring and Mars In One Beautiful Image

Ah, now this was the beautiful view we were waiting for! When comet Siding Spring grazed past Mars last weekend, the robots hid while trying to sneak a peek. The first images of the comet's nucleus taken were historic, but it takes the Hubble Space Telescope to make it beautiful. » 10/24/14 10:00am Yesterday 10:00am

Finally Found: The Body That Goes With These Monstrous Dinosaur Arms

In 1965, paleontologists unearthed a ghastly pair of eight-foot, claw-tipped dinosaur arms – and little else. Since then, researchers have been searching for the rest of Deinocheirus mirificus (Latin for "unusual, horrible hands"). Now, a team working in Mongolia has found it. » 10/23/14 10:33pm Thursday 10:33pm

Cosmonauts Chuck Equipment Off The Station In Third October Spacewalk

Cosmonauts Alexander "Sasha" Samokutyaev and Max Suraev spent Wednesday's spacewalk stripping and jettisoning surplus equipment off the International Space Station, conducting a photographic survey of the exterior, and cleaning the windows. » 10/23/14 4:00pm Thursday 4:00pm

What Do You See In This Nebula?

Did that swirl of gas and dust just face-palm a pulsar? System PSR B1509-58 has a history of inspiring pareidolia, and this latest infrared and x-ray composite image is just calling out for creative interpretation. » 10/22/14 5:15pm Wednesday 5:15pm

The First Exoplanets Were Discovered In 1917—But Nobody Realized It

When astronomers found two planets orbiting a pulsar in 1992, it was considered the first definitive detection of planets outside our solar system. But new research reveals that, nearly a century ago, a young astronomer discovered evidence of an extrasolar planetary system — he just never realized it at the time. » 10/22/14 6:16pm Wednesday 6:16pm

Here's What Comet Siding Spring Looked Like From Mars

While all the robots were practicing duck-and-cover to avoid being sandblasted by comet Siding Springs this weekend, they were also trying to catch a glimpse of the event. Here are the first images of comet Siding Springs grazing past Mars and what we've learned so far. » 10/21/14 11:00am Tuesday 11:00am

New Evidence Suggests Hawaii Could Be Hit By A Massive Tsunami

The discovery of a massive debris pile in a giant sinkhole in the Hawaiian islands suggests that the region was hit by a mammoth tsunami about 500 years ago. It was larger than any in Hawaii's recorded history, so scientists are now worrying that a similar disaster could happen again. » 10/21/14 1:55am Tuesday 1:55am

The Supervillain's Guide To Causing Natural Disasters

Nature's fury is a sight to behold: earthquakes, volcanoes, and landslides can wipe out thousands of people in a single blow. If you're an aspiring supervillain, though, there's some good news. You can harness these forces for yourself. Here's how! » 10/20/14 11:00am Monday 11:00am