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May 24 | News
NASA
has hired Space Exploration Technologies Corp. to deliver cargo to the
International Space Station, but will eventually add astronauts. And the
space agency is hiring other companies, too. Several
firms—at least eight—think they can make money in space and are close
enough to Musk's company to practically surf in his spaceship's
rocket-fueled wake.
May 24 | News
Dark
matter accounts for at least 80% of the matter in the universe. No one
knows what it is, but most scientists would bet on weakly interacting
massive particles, or WIMPs. LUX, the Large Underground Xenon detector
at the Sanford Underground Research Facility nearly a mile below the
Black Hills of South Dakota, holds 350 kg of liquid xenon and is a trap
set for dark-matter WIMPs.
May 23 | News
New research from North
Carolina State University shows that a wind-driven "tumbleweed" Mars
rover would be capable of moving across rocky Martian terrain—findings
that could also help the National Aeronautics and Space Administration
(NASA)
design the best possible vehicle.
May 22 | News
In a new study, researchers describe what they found in data from Cassini: a new class of space particles—submicroscopic nanograins of electrically charged dust. Such particles are believed to exist throughout the universe, and this marks the first time researchers have measured and analyzed them.
May 22 | News
The
SpaceX company made history as its Falcon 9 rocket, carrying 1,000
pounds of space station provisions in its Dragon capsule, rose from its
seaside launch pad and pierced the pre-dawn sky, aiming for a rendezvous
in a few days with the space station. If the mission proceeds as
planned, Dragon will be the first commercial vessel to visit the space
station.
May 18 | News
Researchers at Massachusetts Institute of Technology, NASA, and elsewhere have detected a possible planet, some 1,500 light years away, that appears to be evaporating under the blistering heat of its parent star. The scientists infer that a long tail of debris is following the planet, and that this tail may tell the story of the planet's disintegration.
May 16 | News
By
combining the light of three powerful infrared telescopes, an
international research team has observed the active accretion phase of a
supermassive black hole in the center of a galaxy tens of millions of
light years away, a method that has yielded an unprecedented amount of
data for such observations.
May 11 | News
A team of astronomers has found that the most active galactic nuclei—enormous black holes that are violently devouring gas and dust at the centers of galaxies—may prevent new stars from forming.
May 11 | News
Most people take gravity for granted. But for University of Pennsylvania astrophysicist Bhuvnesh Jain, the nature of gravity is the question of a lifetime. As scientists have been able to see farther and deeper into the universe, the laws of gravity have been revealed to be under the influence of an unexplained force. By analyzing a well-studied class of stars in nearby galaxies, a team of astrophysicists have produced new findings that narrow down the possibilities of what this force could be.
May 10 | News
After
spending nearly five months conducting experiments in one spot, the
NASA rover moved for the first time this week, rolling off the rock
outcrop where it hunkered down for the Martian winter. Engineers will
check its power supply before directing it north to study dust and
bedrock.
