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The second man to set foot on the Moon, launches a virtual reality movie detailing his plan to get humans to Mars.
Flowering plants that are blue are rare in nature. But Texas bluebonnets put on an annual show in pastures, parks and highway medians.
In general, the large size of some prehistoric animals in comparison to their modern counterparts had to do with evolutionary opportunity.
Films of the tests conducted in Nevada and the Marshall Islands from 1945 to 1962 are being restored and released to the public.
Thousands of films showing U.S. atmospheric nuclear tests between 1945 and 1962 have been declassified. Scientists are studying them and posting them for all to see.
Much of the agency’s state-level work would be eliminated or sharply reduced by President Trump’s proposed budget, which cuts the E.P.A. more than any other agency.
Taronga Zoo's baby pygmy hippopotamus - the first born in seven years - has made its first public appearance.
Patients who took the drug, Repatha, were significantly less likely to have heart attacks or strokes, researchers concluded. But its high cost will be an issue.
Researchers in the US are working with dolphins in an effort to work out why closely related whale species in the wild strand themselves on land.
Science correspondent Rebecca Morelle describes her violent encounter with Europe's most active volcano.
A computerised system for injecting medicine without using needles has won an innovation award at the South by SouthWest Interactive technology conference in Austin, Texas.
A bird that watched its own reflection for hours becomes the subject of internet fun.
After contracting a rare case of the mumps as an adult, a man receives bad news about his fertility.
Fifty years ago, the supertanker the SS Torrey Canyon hit rocks off the coast of Cornwall, spilling more than 100,000 tonnes of crude oil. But it was the clear-up operation that led to the real environmental disaster.
Researchers trace the parental history of Canadian rocks to a time just after Earth's formation.
Scientists expressed alarm at the depth of proposed cuts to climate change, medical and energy programs, saying they threaten the nation’s research infrastructure.
A study led by Penn State researchers found more evidence of the relationship between nose shape and the climate where a person’s ancestors lived.
Researchers develop a model they hope can be used to understand how dolphins and whales react physiologically to threats from predators and people.
Volcano watchers suffer cuts, bruises and burns as an explosion pelts them with hot rocks and steam.
The microscopic animals were found to produce a unique protein that coats the molecules in their cells in a glasslike substance.