A new map created by the National Parks Service. Dark blue areas are the most quiet, light yellow are the loudest. Have a look.

Satellite view of February 14-15 blizzard that hit the U.S northeast. As of February 17, Boston snow was deeper than in all but two locations in Alaska.

Amateur astronomers spotted them first, but they show up in Hubble images, too. Astronomers are scratching their heads, wondering these mystery plumes are.

It's a fast-rendezvous, six-hour launch-to-dock mission to the International Space Station. Docking will occur later today. Online viewing details here.

New maps from Planck mission support theory of cosmic inflation, the idea that, in the moments following Big Bang, space expanded faster than the speed of light. George Efstathiou - a Planck mission leader - explains more to Kavli Institute's Kelen Tuttle.

The private venture Mars One has announced its selection of 50 men and 50 women who will compete via reality TV for a one-way Mars trip, as early as 2024.

At the core of a galaxy called the Teacup, jets from a central supermassive black hole may be gradually destroying the galaxy's ability to form new stars.

Wisdom – world’s oldest known, banded, wild bird at an estimated age of 63 – laid a new egg in late 2014. Now nature reminds us that life and death go hand in hand.

It's a tough measurement, but astronomers in Stockholm say they've proven dark matter exists in our part of the galaxy.

You may have seen a snake swallow a big animal, but have you ever seen a bird do it?