Science News

Australias top science body said on Monday temperatures had risen about 0.7 degrees Celsius (0.44 Fahrenheit) in the last 50 years, describing the finding as “significant evidence” of climate change.

“We are seeing significant evidence of a changing climate,” she told ABC public radio.

Commonwealth Scientific and Industrial Research Organisation (CSIRO) head Megan Clark said warming had occurred across the country and during all seasons, with the last decade the hottest on record.

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A New Jersey official says a suspected terrorist who worked at a complex of nuclear power plants did not breach security there.

PSEG Nuclear spokesman Joe Delmar said Thursday that Mobley worked as a laborer for several contractors at the three plants and others in the region.

Mike Drewniak, a spokesman for Gov.

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Men have shorter life spans than women on average, but when it comes to sexual life expectancy, the guys have the advantage.

“Overall, men were more likely than women to be sexually active, to report a good quality sex life, and to be interested and thinking about sex on a regular basis,” lead researcher Stacy Tessler Lindau, director of the Program in Integrative Sexual Medicine at the University of Chicago, told LiveScience.

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Sea ice may have covered the Earths surface all the way to the equator hundreds of millions of years ago, a new study finds, adding more evidence to the theory that a “snowball Earth” once existed.

Geologists found evidence that tropical areas were once covered by glaciers by examining ancient tropical rocks that are now found in remote northwestern Canada.

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A huge asteroid that smashed into Earth with the force of a billion atomic bombs wiped out the dinosaur, scientists said Thursday, hoping to lay to rest a long-running debate over a mass extinction 65 million years ago.

They determined that a massive asteroid, measuring around 15 kilometers (nine miles) wide, that smashed into what is today Chicxulub in Mexico was behind the mass extinction, which cleared the way for mammals to become the dominant species on Earth.

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An all-star panel of researchers says it was the crash of a giant asteroid that killed off the dinosaurs.

In 1980, Louis Alvarez and his son Walter published a paper blaming the dinosaur extinction 65 million years ago on an asteroid impact. The probable crater was later found at Chicxulub, Mexico, and the idea gained wide scientific acceptance.

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Earth is a violent planet, and always has been. In fact it is much calmer today than in the past. As the planet continues to cool - 4.5 billion years after it formed - what was once likely a lava world has become a temperate planet thats two-thirds covered by water and hospitable to life.

A cosmic impact ended the age of dinosaurs, scientists now confirm.

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A giant asteroid smashing into Earth is the only plausible explanation for the extinction of the dinosaurs, a global scientific team said on Thursday, hoping to settle a row that has divided experts for decades.

Scientific opinion was split over whether the extinction was caused by an asteroid or by volcanic activity in the Deccan Traps in what is now India, where there were a series of super volcanic eruptions that lasted around 1.

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A four-legged animal about the size of a large dog with a long tail is now the oldest known relative of dinosaurs, dating back some 240 million years. Paleontologists recently examined the bones from at least 14 individuals of this proto-dinosaur that were discovered in southern Tanzania.

Until now, the fossil record suggested the oldest known dinosaurs went back just 230 million years.

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A spacesuit worn by cosmonaut Anatoli Artsebarsky, pieces of Soyuz shuttles that rocketed into space and a Mir Space Station control panel are among dozens of Soviet space program items for sale this month in Canada.

“You get a sense of the magnitude of the Soviet space program handling all of these items.

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