January 24, 2017, 1:58 p.m. by Michael d'Estries
These massive rogue objects are capable of leaving the galaxy at speeds approaching 20 million miles per hour.
Trump's executive order reopens door for controversial pipelines
January 24, 2017, 1:28 p.m. by Mary Jo DiLonardo
The orders pave the way for the Dakota Access and Keystone XL pipelines.
This photographer remembers the moment he fell in love with wild cats
January 24, 2017, 7:14 a.m. by Jaymi Heimbuch
Persistence, patience and well-placed camera traps help photographer Sebastian Kennerknecht craft incredible images of the world's cats.
A breathtaking look at our national parks in winter
January 23, 2017, 2:08 p.m. by Mary Jo DiLonardo
Whether you're an armchair traveler or planning a trip, enjoy the winter wonderland.
Critics weigh in on Al Gore's 'An Inconvenient Sequel'
January 22, 2017, 5:20 p.m. by Michael d'Estries
Debuting at Sundance, the follow-up to the 2007 documentary continues the former vice president's efforts to educate on the climate crisis.
SpaceX rocket makes picture-perfect landing in Pacific Ocean
January 20, 2017, 11:46 a.m. by Angela Nelson
The private spaceflight company's first Falcon 9 rocket launch since an explosion last year goes off without a hitch.
Scientists finally explain mysterious 'fairy circles' found in Namibia
January 20, 2017, 7:02 a.m. by Bryan Nelson
Empty circular patches dot the Namibian desert, and until now scientists were at a loss to fully explain them.
Massive Antarctic ice crack shutters British research station
January 19, 2017, 3:26 p.m. by Matt Hickman
The caterpillar-esque Halley VI is currently on the move.