NASA begins yearlong Mars isolation experiment

Aug 29, 2015

NASA begins yearlong Mars isolation experiment

Six people have shut themselves inside a dome for a year in Hawaii starting Friday in the longest U.S. isolation experiment aimed at helping NASA prepare for a journey to Mars. The six are a French astrobiologist, a German physicist and four Americans: a ...

Astronomers measure metamorphosis of galaxies

Aug 28, 2015

Astronomers measure metamorphosis of galaxies

From round disks to oval clusters, many galaxies have undergone a dramatic transformation over the past 8 billion years, researchers reported on Thursday. An international team looked at data on some 10,000 of the billions of galaxies in the universe and then used the ...

Ethiopia launches space program, the first in East Africa

Aug 26, 2015

Ethiopia launches space program, the first in East Africa

High above the crowded streets of Addis Ababa, among fields where farmers lead oxen dragging wooden plows, sits Ethiopia’s space program. Perched atop the 3,200-meter-tall (10,500-foot) Mount Entoto, two metal domes house telescopes, each a meter in diameter. Operational for only a few months, ...

Aug 22, 2015

Scientists find 'young Jupiter'

Astronomers have discovered a planet 100 light-years away that looks a lot like Jupiter once did and may offer new insights on how planets are formed, researchers said. Known as 51 Eridani b, it is the first exoplanet detected by a new instrument called ...

Rosetta passes milestone as it tracks comet's sun run

Aug 14, 2015

Rosetta passes milestone as it tracks comet's sun run

The European space probe Rosetta captured a range of scientific data Thursday as it trailed an ancient comet past the sun which could help scientists better understand the origins of life on Earth. During its run before the sun the probe collected particles and ...

Conditions on Pluto: Incredibly hazy with flowing ice

Jul 25, 2015

Conditions on Pluto: Incredibly hazy with flowing ice

Pluto is hazier than scientists expected and appears to be covered with flowing ice. The team responsible for the New Horizons flyby of Pluto last week released new pictures Friday of the previously unexplored world on the edge of the solar system. “If you’re ...

Scientists puzzle over smooth young plains on Pluto

Jul 18, 2015

Scientists puzzle over smooth young plains on Pluto

New pictures relayed by the first spacecraft to visit Pluto show odd polygonal features and smooth hills in a crater-free plain, indicating the icy world is geologically active, New Horizons scientists said on Friday. “We had no idea that Pluto would have a geologically ...