Dragonfly, a proposed dual-quadcopter lander that would explore Saturn’s moon, Titan, was one of two finalists in NASA’s New Frontiers competition.
Rear Adm. Timothy Ziemer has run the President's Malaria Initiative for the last eight years.
Pit Bull: The Battle Over an American Icon by Bronwen Dickey
Knopf, $26.95
330 pages
Humpback whales in the southern oceans around Antarctica appear to be breeding successfully, recovering their population.
A laser beam shot from one of four telescope units of the European Southern Observatory's Very Large Telescope, one of the largest in the world. New telescopes such as the Thirty Meter Telescope and the Extremely Large Telescope would dwarf it — if they're completed.
A baobab tree at Epupa Falls in Namibia. Researchers suspect that Africa's "wooden elephants" are succumbing to prolonged droughts and increasing temperatures, which are parching the trees, leaving them unable to support the weight of their massive trunks.
The End of Average: How We Succeed in a World That Values Sameness By Todd Rose. HarperOne. 256 pages, $27.99
Studies have shown that elephants may be monitoring ground vibrations through their bodies, fleeing for higher ground moments before distant tsunamis strike or stomping on the ground to warn others of danger.
The IceCube Neutrino Observatory in Antarctica, where the tiny particle believed to have originated in a supermassive black hole was observed last year.
Almost 230 feet tall and weighing more than 3 million pounds, the Falcon Heavy is more powerful than any other rocket flying today.
One of the 2.1 million-year-old artifacts, right, recovered from a gully in western China, left, suggest that hominins may have left Africa far earlier than previously believed.
An orca whale has carried her dead calf on her nose for days in the Pacific Northwest.
Vice President Mike Pence at the National Space Council’s first meeting in Chantilly, Va., in October.
A whistling kite hovering over Queensland, Australia. Whistling kites are the so-called “firehawks,” said to spread bush fires to drive out prey.
A march in Washington of women demanding legalization of abortion in 1971. With President Trump about to nominate a second justice to the Supreme Court, legal experts are debating what a more conservative court would mean for abortion rights.
Participants in a study of the effects of ovulation were shown these two photos and asked which woman would be more likely to entice a dating partner.
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