The researchers were inspired by a puzzling fact: many Solar Systems like our own are predicted to have super-Earth planets relatively close to their sun, so it's rather strange that ours doesn't.

“There’s nowhere else on earth with so many untold stories,” says Planet Earth: Asia host and renowned naturalist David Attenborough, introducing his landmark six-part documentary about ...

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“The lack of any global temperature analysis [for Earth] did not seem right to me,” Hansen recalled. Drawing from his previous work in estimating the average planetary surface temperature of Venus, he ...

Looking for new ways to get students reading and responding to nonfiction? Try these exercises for discussion, writing and speaking. By Peggy Dimock Lead poisoning can cause lower I.Q.s ...

Examining what it means to make money by selling the bereaved on an illusion, the film feels like something of a warning. By Alissa Wilkinson Mel Gibson directs an uneven action film with Mark ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. (THE CONVERSATION) As space travel gains traction and astronauts spend increasing amounts ...

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Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics ...

On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...