Dwarf planet Ceres: 'A game changer in the solar system'

In March of 2015, NASA's Dawn mission will arrive at the dwarf planet Ceres, the first of the smaller class of planets to be discovered and the closest to Earth. Ceres, which orbits the Sun in the asteroid belt between Mars ...

Mars Icebreaker Life mission

Missions to Mars have only scratched its surface. To go deeper, scientists are proposing a spacecraft that can drill into the Red Planet to potentially find signs of life.

Pollen: You can run, but you can't hide

(Phys.org) —It's the yellowish coating on cars. It floats on ponds, blows with the spring breeze and serves as a potent irritant to allergy sufferers. Now a NASA team is targeting pollen—and its work could help alleviate ...

Warming 'seesaw' turns extra sunlight into global greenhouse

(Phys.org)—Earth's most recent shift to a warm climate began with intense summer sun in the Northern Hemisphere, the first pressure on a seesaw that tossed powerful forces between the planet's poles until greenhouse gases ...

Ozone thinning has changed ocean circulation, scientists report

According to a Johns Hopkins earth scientist, the hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix – a situation that has the potential to alter the amount of CO2 ...

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