More than 1,000 satellites are flying overhead

The spotting of ocean debris by satellites during the search for the lost Malaysian airliner has drawn attention to those orbiting platforms. A primer on what's in orbit, with help from Nicholas Johnson, who retired Thursday ...

Ancient African cattle first domesticated in Middle East

Geneticists and anthropologists previously suspected that ancient Africans domesticated cattle native to the African continent nearly 10,000 years ago. Now, a team of University of Missouri researchers has completed the genetic ...

US clean-air efforts stay on target, analysis shows

National efforts in the last decade to clear the air of dangerous particulate matter have been so successful that most urban areas have already attained the next benchmark, according to new research by Rice University.

Turkey moves to block YouTube but attempt fails

Turkish authorities pressed Thursday to block access to YouTube following similar action against Twitter, a move sure to provoke further outrage in a country where social media is widely used.

Exploring the natural enemies of insect pests

A method of investigating whether aphid pests have been targeted by their gruesome enemies could shed new light on how farmland organisms interact, and potentially help protect important food crops.

Rosetta sets sights on destination comet

(Phys.org) —ESA's Rosetta spacecraft has caught a first glimpse of its destination comet since waking up from deep-space hibernation on 20 January.

page 1 from 10