Rosetta team picks best landing site on speeding comet

The selection brings the Rosetta team one step closer to being the first to land a spacecraft directly on the surface of a speeding comet.

2 days ago

Astronauts getting 3-D printer at space station

The printer is among more than 5,000 pounds of cargo that is stuffed into a SpaceX Dragon capsule for a pre-dawn liftoff today.

3 days ago

2nd U.S. space group seeks alternative to Russian engines

Amazon’s Jeff Bezos is teaming with Boeing and Lockheed Martin in a bid to develop a U.S. alternative to Russian-made rocket engines.

5 days ago

 The ozone layer over the years, Sept. 17, 1979, top left, Oct. 7, 1989, top right, Oct. 9, 2006, lower left, and Oct. 1, 2010, lower right. Earth's protective but fragile ozone layer is finally starting to rebound, says a United Nations panel of scientists. Scientists hail this as rare environmental good news, demonstrating that when the world comes together it can stop a brewing ecological crisis.

Scientists: Ozone layer recovering but not healed

Scientists said the development demonstrates that when the world comes together, it can counteract a brewing ecological crisis.

1 week ago

 The eastern meadowlark

Habitat loss taking a big toll on birds

Every type of bird except those that inhabit wetlands has been in decline since 1968, threatened by humans.

1 week ago

U.N. climate report finds heat-trapping carbon dioxide rising exponentially

Concentrations of nearly all major greenhouse gases rose at a record-shattering pace last year.

2 weeks ago

Environmentalists' campaign spending to see huge jump this year

League of Conservation Voters to spend $25 million on midterm election campaigns.

2 weeks ago

 In this photo taken on Aug. 26, paleontologist Kenneth Lacovara works in a lab near a section of vertebrae from Dreadnaughtus schrani at Drexel University in Philadelphia. Scientists hope the unusually well-preserved bones of the immense dinosaur will help reveal secrets about some of the largest animals ever to walk the Earth.

Philadelphia scientists unearth 65-ton dinosaur in Argentina

Drexel University scientists announced that they have unearthed the heaviest known dinosaur, Dreadnoughtus schrani.

2 weeks ago

Fields Medal, math's top prize, was recently given for the first time in 80 years to a woman

Iranian-born Maryam Mirzakhani, 37, of Stanford, could encourage young girls to discover a future in mathematics and science.

2 weeks ago

 A kookaburra.

Let's Talk About Birds: Laughing kookaburra

In grade school music class many of us learned about a strange bird with a funny-sounding name —  that merry king of the bush, laughing.

2 weeks ago

Let's Talk About: Space sugar

Outer space is a rather impressive domain if you have a sweet tooth.

3 weeks ago

 CMU master's student Thomas Healy has started Headstart Labs, a company trying to revolutionize the study of impact on football helmets.

CMU punter, engineering student researches helmet safety

Thomas Healy has formed a company to develop a helmet to reduce head injuries.

4 weeks ago

Stargazing: Eye-catching celestial trio

After today's new moon, our closest neighbor in space will move east, away from the sun, and pass between Mars and Saturn.

4 weeks ago


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