See a spectacular fireball blaze across the Missouri sky – CNET

The fireball was likely a visiting meteor from the Taurid meteor shower.

NASA eyes stingray-like spacecraft to explore ‘dark side’ of hellish Venus – CNET

Flippity-flappity. This morphing spacecraft concept has flexible wings.

Scientists find human footprint in a mammoth track using 3D radar – CNET

The tracks found in White Sands National Monument date to 12,000 years ago.

Scientists create fake rhino horn out of horse hair – CNET

But it's an open question whether flooding the black market with artificial horns will reduce poaching…

Moon-bound NASA astronauts get nifty sleeping bags for snoozing in space – CNET

NASA shows off new details of the Orion spacecraft that's meant to go to the moon.

Emperor penguins could be wiped out by global warming, scientists warn – CNET

At the current rate of warming, the fate of the beloved seabirds could be sealed by…

How and when to watch the last Mercury transit of the sun until 2032 – CNET

Tune in Monday. Mercury won't pass in front of our closest star again until 2032.

Watch deputies help a giant bear out of a dumpster-dive gone wrong – CNET

Twitter is in love with T-Shirt the big bear.

NASA just cracked open a pristine Apollo moon rock sample – CNET

The sample of lunar rock and soil dates to the Apollo 17 mission in 1972.

NASA panorama reveals starry glory of the southern sky – CNET

Look, there's the Milky Way!