What’s the real deal with shark attacks?

Sharks are incredibly unlikely to bite you. They’re even less likely to kill you. However, we remain fascinated with their ability – and occasional proclivity – to do just that.

Asteroid just missed Earth on Tuesday

It came close. 2015 HD1 passed just 0.2 lunar distances away (45,600 miles or 73,400 km).

From fins to legs to fins again

Marine tetrapods, a group of animals including whales, dolphins, seals, and sea turtles, have moved from sea to land and back to the sea over the last 350 million years

Celebrate 25 years of Hubble Space Telescope

NASA has a whole slate of cool-looking activities in celebration of the 25th anniversary of the Hubble Space Telescope, starting on Monday, April 20!

Dawn spacecraft captures Ceres’ sunlit pole

After more than a month orbiting on Ceres' dark side, Dawn has captured enough images to make this animation of the dwarf planet's north pole.

What is the smell of rain?

The word for it is "petrichor." It’s the name of an oil that’s released from Earth into the air before rain begins to fall.

What happens underground when a meteor hits

High-speed videos show what happens underground when an asteroid - or missile - strikes Earth.

Experience 2 months of Rosetta’s comet

Spectacular images from Rosetta spacecraft of Comet 67P/Churyumov-Gerasimenko between January 31 and March 25. Many different angles. Increasing activity!

Sperm whale meets deep-sea vehicle

Encounters between sperm whales and ROVs - remotely operated underwater vehicles - are rare. Watch this video, posted April 14.

New Horizons’ first color pic of Pluto

New Horizons spacecraft is now only three months away from its historic sweep through the Pluto-Charon system in mid-July. First image in color!