Photos: Anori, half-sister of the late polar bear Knut, makes her debut
April 3, 2012, 10:37 a.m. by Catie Leary
There's a new cub on the block!
Cutting the lights off around the world for Earth Hour
April 2, 2012, 11:48 a.m. by Catie Leary
Cities across the globe turned off their lights for Earth Hour this weekend, an annual reminder of our role in the battle against climate change.
Photo: Gasoline worries spark panic buying across the pond
March 30, 2012, 11:44 a.m. by Catie Leary
The possibility of a strike by fuel tanker drivers prompted U.K. government officials to warn consumers of a possible gas shortage — but the resulting buying frenzy created more political finger pointing.
Photo: Cyclists descend on Australia for last chance at Olympics
March 29, 2012, 11:38 a.m. by Catie Leary
British Olympian Victoria Pendleton tries for another gold medal at the annual World Championships for track cycling, which runs from April 4-8 in Melbourne, Australia.
Photos: Kids join first lady at annual spring planting at the White House
March 27, 2012, 11:53 a.m. by Catie Leary
Children from various states were invited to the event after writing to Michelle Obama to share their personal experiences with gardening in their communities.
Photo: Baby rhino sparks hope for species' survival
March 21, 2012, 11:48 a.m. by Catie Leary
Charlees, a 2-month-old Indian rhino, makes her grand public debut at the San Diego Zoo Safari Park.
Photo: Tulips and tourists greet the vernal equinox in D.C.
March 20, 2012, 11:42 a.m. by Catie Leary
Unseasonably warm weather has caused Washington's spring flowers and famous cherry blossoms to bloom days before the official end of winter.
Holi: Celebrating spring's arrival with a splash of color
March 19, 2012, 11:32 a.m. by Catie Leary
Revelers covered in powdered dye celebrate Holi, also known as the Festival of Colors, on a cruise ship in Manhattan, N.Y.