News tagged with impact

Apr 29, 2009 | 4.2 / 5 (53) | 17

Meeting a widely-supported goal to tackle global warming means that humanity will be able to burn less than a quarter of the proven reserves of fossil fuels by 2050, a study released on Wednesday said.

Giant impact near India -- not Mexico -- may have doomed dinosaurs

Oct 15, 2009 | 4.8 / 5 (42) | 15

A mysterious basin off the coast of India could be the largest, multi-ringed impact crater the world has ever seen. And if a new study is right, it may have been responsible for killing the dinosaurs off 65 ...

Climate-related changes on the Antarctic peninsula

Mar 16, 2009 | 4.1 / 5 (40) | 1

Scientists have long established that the Antarctic Peninsula is one of the most rapidly warming spots on Earth. Now, new research using detailed satellite data indicates that the changing climate is affecting ...

Deep Impact Films Earth as an Alien World

Jul 18, 2008 | 4.5 / 5 (33) | 20

(PhysOrg.com) -- NASA's Deep Impact spacecraft has created a video of the moon transiting (passing in front of) Earth as seen from the spacecraft's point of view 31 million miles away. Scientists are using ...

NASA Spacecraft Reveal Largest Crater in Solar System

Jun 26, 2008 | 4.1 / 5 (31) | 9

New analysis of Mars' terrain using NASA spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar system

New Blow for Dinosaur-Killing Asteroid Theory

Apr 27, 2009 | 4.4 / 5 (29) | 14

(PhysOrg.com) -- The enduringly popular theory that the Chicxulub crater holds the clue to the demise of the dinosaurs, along with some 65 percent of all species 65 million years ago, is challenged in a paper ...

Expanding Spot on Venus Puzzles Astronomers

Aug 04, 2009 | 4.2 / 5 (30) | 7

(PhysOrg.com) -- The expanding spot discovered on Venus last month may not have garnered as much attention as the meteor impact with Jupiter, but its cause is certainly more puzzling. ...

NASA scientist: No Doomsday in 2012

Oct 20, 2009 | 3.6 / 5 (32) | 21

According to NASA scientist David Morrison, the widespread Internet rumor that the world will end in 2012 due to some astronomical event is a hoax. Dr. Morrison attributes the hype to 'cosmophobia' fueled ...

Electromagnetic fields as cutting tools

Technology / Engineering

Dec 01, 2009 | 4.7 / 5 (21) | 13

(PhysOrg.com) -- The bodywork on motor vehicles must be sufficiently stable, but processing the high-strength steels involved -- for example punching holes in them -- can prove something of a challenge. A new steel-cutting ...

Hidden Territory on Mercury Revealed

Nov 04, 2009 | 4.8 / 5 (20) | 1

The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists, for the first time, an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like ...

Survey: Scientists agree human-induced global warming is real

Jan 19, 2009 | 2.5 / 5 (36) | 43

While the harsh winter pounding many areas of North America and Europe seemingly contradicts the fact that global warming continues unabated, a new survey finds consensus among scientists about the reality of climate change ...

Killer algae a key player in mass extinctions

Oct 19, 2009 | 4.4 / 5 (17) | 4

Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing ...

The Australian town of Bundanoon pulled all bottled water from its shelves Saturday and replaced it with refillable ones

Australian town in 'world-first' bottled water ban

Sep 26, 2009 | 4.4 / 5 (17) | 8

An Australian town pulled all bottled water from its shelves Saturday and replaced it with refillable bottles in what is believed to be a world-first ban.

Absence of evidence for a meteorite impact event 13,000 years ago