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Curiosity rover detects nitrogen on Mars
The discovery adds to the evidence that ancient Mars was habitable for life.
March 27, 2015
Malibu stargazer
We're getting many comments this month about the return of the Milky Way for late night and early morning stargazers.
March 27, 2015
Super salamander nearly ate our ancestors
The thing that got us off the hook? A big hot interception 200 million years ago.
March 26, 2015
First one-year ISS crew to launch Friday
The goal of the mission is to find out how the human body responds to a prolonged stay in space. Watch the launch, watch the arrival.
March 26, 2015
Mars rover finishes first-ever marathon on another world
On Tuesday, the Mars rover Opportunity completed a marathon - 26.2 miles (42.195 kilometers). Its finish time? Eleven years and 2 months.
March 26, 2015
Total solar eclipse at 35,000 feet
We've seen some wonderful photos of sky events taken from airplane windows. This one is really dramatic.
March 26, 2015
‘Seeds of Time’ to hit theaters in May
A new documentary film tracks the history and mission of the Svalbard Global Seed Vault - sometimes called the Doomsday Vault - and its founder Cary Fowler.
March 25, 2015
Sunsets are moving north
Here's what happens if you take a photo of the sun each day at sunset, for several days in a row. You can see the sun's northward motion along your horizon.
March 25, 2015
Does wandering Jupiter account for our strange solar system?
Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit.
March 24, 2015
Highest and lowest points on Earth
Ever wonder how high the highest points on Earth are, in contrast to the deepest manmade boreholes and ocean trenches? Check out this fascinating infographic.
March 24, 2015
