Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

This year's Arctic sea ice peak is the lowest in the 47-year satellite record, according to data released by the US National ...

When it does take place, the outburst will be brief but it will appear as a new star in the sky for a little less than a week ...

Sounding rockets launched from the Poker Flat Research Range north of Fairbanks, Alaska, lit up the night sky for miles ...

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

The Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on ...

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

Earth crosses through Saturn’s “ring plane,” making the gas giant’s most iconic feature become nearly invisible ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

NASA's Curiosity rover made a compelling find on Mars' irradiated surface. The car-sized robot's molecule-sleuthing ...

What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed ...