US: Gas to peak at $4.15 a gallon but stay high (AP)

AP - Gasoline prices should peak at .15 a gallon this summer, the government says — finally an encouraging word for motorists who might be thinking the cost of a fill-up will just keep climbing.

Mars lander fills test oven with pinch of soil (AP)

AP - NASA’s Phoenix Mars lander was not the only one doing the shaking. Scientists operating the spacecraft broke into song and dance on Wednesday after learning that their latest effort to shake lumps of Martian soil into a tiny testing oven worked.

Aussie dinosaur bone takes bite out of theory of continental drift (AFP)

AFP - A dinosaur bone discovered in Australia has defied prevailing wisdom about how the world’s continents separated from a super-continent millions of years ago, a new study published on Tuesday said.

New Fossils Suggest Ancient Cat-sized Reptiles in Antarctica

LiveScience.com - Cat-sized reptiles once roamed what is now the icebox of Antarctica, snuggling up in burrows and peeping above ground to snag plant roots and insects.

Report: Rare chicken’s numbers on the decline (AP)

AP - Lesser prairie chickens have been reduced to a fraction of their population across five states, says a conservation group that is ratcheting up the pressure on the federal government to provide more protection for the rare bird.

Scientists find monkeys who know how to fish (AP)

AP - Long-tailed macaque monkeys have a reputation for knowing how to find food — whether it be grabbing fruit from jungle trees or snatching a banana from a startled tourist.

Last minute work for shuttle before hatches close (AP)

AP - Little work remained for shuttle Discovery’s astronauts to complete aboard the international space station Tuesday before they closed the hatches between the two spacecraft in preparation for their return trip to Earth.