SpaceX sent a U.S. spy satellite to orbit Wednesday (Feb. 2) in the second of three planned launches over a four-day stretch.
Satellite data shows that Greenland’s ice sheet has lost enough water over 20 years to submerge the entire United States.
A pair of same-sex penguins have incubated and hatched their first chick at a New York zoo, adding to the list of successful same-sex penguin foster parents.
Alien hammerhead flatworm named after pandemic is one of two newly described species found in countries outside their native range.