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US Cargo Spaceship Set for Departure from International Space Station

After delivering more than 5,800 pounds of science investigations and cargo for NASA, a SpaceX Dragon cargo spacecraft is set to depart the International Space Station on Wednesday, May 2. NASA Television and the agency’s website will provide live coverage of Dragon's departure beginning at 10 a.m. EDT.

NASA finds Tropical Cyclone Fakir weakening

IMAGE: NASA's Aqua satellite passed over Tropical Storm Fakir on April 24 at 6:17 a.m. EDT (1017 UTC) and saw coldest cloud top temperatures (purple) around the storm's center.... view more  Credit: NASA JPL/Heidar Thrastarson Infrared imagery from NASA's Aqua satellite revealed that Tropical Cyclone Fakir was getting weaker as it moved through the Southern Indian Ocean. The Joint Typhoon Warning Center issued their final bulletin…

Ancient galaxy megamergers

The ALMA and APEX telescopes have peered deep into space -- back to the time when the Universe was one tenth of its current age -- and witnessed the beginnings of gargantuan cosmic pileups: the impending collisions of young, starburst galaxies. Astronomers thought that these events occurred around three billion years after the Big Bang, so they were surprised when the new observations revealed them…

NASA’s James Webb Space Telescope could potentially detect the first stars...

IMAGE: Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to... view more  Credit: Credits: NASA, ESA, and J. Lotz, M. Mountain, A. Koekemoer, and the HFF Team (STScI) The first stars in the universe blazed to life about 200 to 400 million years after the…

A Yellowstone guide to life on Mars

IMAGE: University of Cincinnati graduate student Andrew Gangidine is studying silica deposits in Yellowstone to find an elemental biosignature that NASA can use to look for life on Mars when it... view more  Credit: Joseph Fuqua II/UC Creative Services A University of Cincinnati geology student is helping NASA determine whether life existed on other planets. Doctoral candidate Andrew Gangidine is working with UC geology professor Andrew…

A map of 1.7 billion stars: RAS president congratulates Gaia scientists

The European Space Agency (ESA) today released the largest dataset yet from the Gaia satellite, an orbiting observatory mapping the Milky Way. Launched in 2013, Gaia is mapping our Galaxy in unprecedented detail. The latest release includes high accuracy positions for almost 1.7 billion stars, 600 times the number in the satellite's first dataset, and far in excess of anything achieved before. Professor John Zarnecki,…

Molecular evolution: How the building blocks of life may form in...

WASHINGTON, D.C., April 25, 2018 -- In a laboratory experiment that mimics astrophysical conditions, with cryogenic temperatures in an ultrahigh vacuum, scientists used an electron gun to irradiate thin sheets of ice covered in basic molecules of methane, ammonia and carbon dioxide. These simple molecules are ingredients for the building blocks of life. The experiment tested how the combination of electrons and basic matter leads…

NIST team shows tiny frequency combs are reliable measurement tools

In an advance that could shrink many measurement technologies, scientists at the National Institute of Standards and Technology (NIST) and partners have demonstrated the first miniaturized devices that can generate desired frequencies, or colors, of light precisely enough to be traced to an international measurement standard. The researchers combined a pair of frequency combs, a tunable mini-laser and electronics to create an optical frequency synthesizer.…

Projectile cannon experiments show how asteroids can deliver water

PROVIDENCE, R.I. [Brown University] -- Experiments using a high-powered projectile cannon show how impacts by water-rich asteroids can deliver surprising amounts of water to planetary bodies. The research, by scientists from Brown University, could shed light on how water got to the early Earth and help account for some trace water detections on the Moon and elsewhere. "The origin and transportation of water and volatiles…

Media Invited to Orbital ATK Cargo Launch from Virginia

Media accreditation now is open for the launch of Orbital ATK’s ninth contracted cargo resupply mission to the International Space Station, currently targeted for no earlier than 5:04 a.m. EDT May 20.
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