Learn about animals, weather and natural disasters, alternative energy, environmental politics and space.
Fri, Dec 19, 2014 10:41 AM
While Scott Kelly will spend a year in space, his twin brother on Earth will also be studied by NASA scientists to assess Scott's physiological changes in space.
Use this checklist to make sure all your backyard friends stay fed and happy when cold weather hits.
Santa's not the only one who gets to hang out with these interesting animals.
This water sample may give scientists a way to measure what the water on Mars may have been like over 4 billion years ago.
Scientists have seen fluctuations in methane levels in the Martian atmosphere before, so any new findings add to a better understanding for the Red Planet.
They may live far from the North Pole, but these whimsical worms are still brimming with holiday spirit.
By building the system with commercially available materials, researchers kept costs down and showed how the system could be produced outside of a lab.
There are two reasons why winter is the best time to grab your camera and head out to see the sunrise.
The rings, which look like grooves in a vinyl record, are estimated to be at least 4 billion years old.
From towering castles to recognizable characters, these snow sculptures give the old marble slab a run for the money.
From an owl-like face to different hunting strategies, this hawk species is unique among its cousins.
This double transit of moons is a lead up to a very rare triple transit on the night of Jan. 24, 2015.
These top predators are as fascinating as they are fierce.
This 'perfect storm of plasma' was captured using data from different sources, including the Solar Dynamics Observatory and the Solar and Heliospheric Observatory.
The study revealed surprising family links among birds and new insights into birds' brains.
Believe it or not, these amazing images of icebergs and tropical beaches are not photographs.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.