Astronauts Restore Space Station to Full Health in Quick Repair Spacewalk

By Sarah Lewin, Staff Writer | May 23, 2017 10:14am ET
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During a spacewalk May 23, NASA astronaut Jack Fischer waved at French astronaut Thomas Pesquet, filming from inside the International Space Station, as Fischer worked to install wireless antennas outside the Destiny lab. The spacewalk's main purpose was to replace a failed data relay box. Credit: NASA TV
NASA astronauts sped through an urgent spacewalk this morning (May 23) to replace a malfunctioning computer relay box outside the International Space Station, completing the trip outside in 2 hours and 46 minutes.

Astronaut Leland Melvin Celebrated for Work Championing Women

By Hanneke Weitering, Staff Writer-Producer | May 23, 2017 08:30am ET
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Leland Melvin, the NFL football player turned NASA astronaut, now spends his days inspiring women and minorities to pursue careers in STEAM fields (science, technology, engineering, art and math). Today the storytelling platform Makers, which features trailblazing women of the world, is celebrating Melvin's work on gender equality by adding him to a new, select group called Makers Men.

WA telescope offers new clue on fast radio burst mystery

By Tom Wildie
Photo: The FRB detected by the ASKAP near Geraldton is one of just a few dozen discovered by astronomers. (Supplied: CSIRO)
Astronomers could soon be able to pinpoint the origin of mysterious fast radio bursts (FRBs), after a new telescope in Western Australia detected one after just four days of searching.
FRBs are short, sharp spikes of radio waves, emitted somewhere in deep space, that last less than five milliseconds.

What causes them is unknown, but hypotheses range from exploding stars to emissions from extra-terrestrial spacecraft.

Food Unwrapped: One slice of brown bread has as much salt as THIS many packets of crisps

FOOD UNWRAPPED on Channel 4 tonight revealed just how much salt is in your pack of crisps.
By Emily Hodgkin
Low sodium salt products are is hitting the market - bringing down the salt content of products.
But can Britons guess how much salt in the seemingly healthy food they eat every day.
Kate Quilton, a presenter on the Channel 4 show, hit the streets to test the British public's knowledge.
They were shocked to discover just how much salt was in their food.

GETTYSalt in food: Channel 4 tonight revealed just how how much salt is in your food

Martian Sky Went Metal After Meteor Strikes

By Charles Q. Choi, Space.com Contributor | May 22, 2017 03:06pm ET
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An artist's conception of NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft overlooking Mars as the planet is bombarded by meteors. Credit: Anil Rao
Metal detected in the sky of Mars may come from meteors streaking through the Red Planet atmosphere, a new study finds.
Interplanetary dust motes and chunks of rock often plunge at high speeds

Supernova Face-Off May Solve 40-Year-Old Antimatter Mystery

By Charles Q. Choi, Space.com Contributor | May 22, 2017 11:45am ET
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Two white dwarfs head toward a collision in this artistв─(tm)s illustration. New research suggests that the Milky Way's preponderance of positrons could come from a specialized type of supernova from colliding low-mass white dwarfs в─" an explosion that is difficult to detect, but rich in an isotope that generates this kind of antimatter. Credit: NASA/Tod Strohmayer (GSFC)/Dana Berry (Chandra X-Ray Observatory)

Air Force Lays Out Its Case for Keeping Space Operations

By Phillip Swarts, SpaceNews | May 22, 2017 03:00pm ET
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Air Force Chief of Staff Gen. David Goldfein testifies before the House Armed Service Committee April 5, 2017. Credit: Scott Ash/Air Force
WASHINGTON - Separating space operations from the Air Force would hamper the service's efforts to address threats in orbit, Chief of Staff Gen. David Goldfein said May 17.

2018 Budget Proposal to Spread Cuts Across NASA Programs

By Jeff Foust, SpaceNews Writer | May 22, 2017 04:15pm ET
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NASA's famous emblem. Credit: NASA
Updated May 20 at 9 a.m. Eastern.
WASHINGTON - More than $560 million in budget cuts will be spread across many NASA programs, from science to human spaceflight, when the White House releases its complete fiscal year 2018 budget proposal next week.
The White House is expected to release its full 2018 budget proposal May

New Method Builds Bricks Using Fake Lunar Soil, Heat from Sun

By Tereza Pultarova | May 22, 2017 04:10pm ET
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Moon explorers could one day build their houses from bricks made out of lunar soil, or regolith, using just the energy of the sun, according to a new experiment by the European Space Agency (ESA).
Using volcanic material with composition similar to that of lunar dust, a team led by materials engineer Advenit Makaya 3D-printed bricks and baked them in a solar furnace. The German Aerospace Center's (DLR) facility in Cologne, Germany, runs the furnace.

Cruz to Hold Hearing on Updating the Outer Space Treaty

By Jeff Foust, SpaceNews Writer | May 22, 2017 04:35pm ET
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Sen. Ted Cruz (R-Texas), chairman of the Senate's space subcommittee, says a planned May 23 hearing will examine potential changes to the outer Space Treaty to reflect growing commercial space activities. Credit: Senate Commerce Committee webcast
WASHINGTON - The chairman of the Senate's space subcommittee said May 16 that his committee will hold a hearing next week to hear testimony on possible updates to a 50-year-old treaty that is the cornerstone of international space law.

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