The European Space Agency is sending a team into caves to experience the isolation of space.
Extraterrestrial opal discovered in Antarctic meteorite
June 30, 2016, 2:45 p.m. by Michael d'Estries
The mineraloid, valued for its colorful characteristics as a gemstone, may shed further light on how water came to Earth.
These prize-winning images of dogs will steal your heart
June 30, 2016, 11:30 a.m. by Jaymi Heimbuch
The 10th annual competition drew entries from photographers in 90 different countries.
There's a huge helium deposit under Tanzania, and here's why you should care
June 30, 2016, 11:04 a.m. by Russell McLendon
Helium isn't just for floating balloons and funny voices.
Rosie the dog embodies pure joy as she bounces through a field
June 30, 2016, 10:54 a.m. by Noel Kirkpatrick
Rosie the dog relishes her chance to cut loose in a Norwich patch of grass.
Adelie penguins likely to experience significant decline by end of century
June 30, 2016, 10:42 a.m. by Jaymi Heimbuch
As much as 60 percent of Adelie penguin colonies could be in decline by 2099 due to a changing climate.