Whales reached huge size only recently – BBC News

Image copyright Silverback Films/BBC Image caption Being big means they can maximise the opportunities where they exist Blue whales are the biggest animals that have ever existed on Earth but they only recently* got that way. This is the extraordinary finding from a new study that examined the fossil record of baleens – the group […]

Trump’s 2018 Budget Request Axes 5 NASA Earth-Science Missions – Space.com

Five NASA Earth-science missions are now on the chopping block. Four we already knew about; they were zeroed out in the White House’s preliminary, or “skinny,” 2018 budget request, which was unveiled in March. The fifth, called the Radiation Budget Instrument (RBI), was revealed yesterday (May 23) with the release of the […]

Schiaparelli: Crashed lander was ill-prepared for Mars – BBC News

Image copyright ESA Image caption Artwork: The retrorockets should have fired for about 30 seconds The crashed European spacecraft Schiaparelli was ill-prepared for its attempt at landing on the surface of Mars. That’s the conclusion of an inquiry into the failure on 16 October 2016. The report outlines failings during the development process and makes […]

3.3-million-year-old Fossil Reveals Origins of the Human Spine – Laboratory Equipment

Analysis of a 3.3 million-year-old fossil skeleton reveals the most complete spinal column of any early human relative, including vertebrae, neck and rib cage. The findings, published this week in the Proceedings of the National Academy of Sciences, indicate that portions of the human spinal structure that enable efficient walking motions were established millions of […]

Freeze-Dried Space Sperm Gives Rise to Healthy Baby Mice – Space.com

Mouse sperm preserved on the International Space Station for nine months gave rise to healthy pups, a new study reveals. This finding suggests that animals, perhaps including humans, can one day reproduce safely in space, researchers said. This work also raises the possibility of a “doomsday vault” for sperm in […]

[ May 23, 2017 ] Astronauts replace failed computer in short spacewalk Mission Reports – Spaceflight Now

[ May 23, 2017 ] Astronauts replace failed computer in short spacewalk Mission Reports – Spaceflight Now

STORY WRITTEN FOR CBS NEWS & USED WITH PERMISSION Astronaut Jack Fischer waves to a camera during Tuesday’s spacewalk. Credit: NASA TV/Spaceflight Now After a bit of a struggle with a balky bolt, space station commander Peggy Whitson replaced a failed external computer during a short, hurriedly planned spacewalk Tuesday while crewmate Jack Fischer installed a pair […]

NASA orders spacewalk for repairs at space station – USA TODAY

In March 2017, NASA astronaut Peggy Whitson suited up in the U.S. Quest airlock getting ready for a spacewalk outside the International Space Station. Whitson will conduct a spacewalk with Jack Fischer on Tuesday, May 22, 2017. The spacewalk was ordered to replace a data relay box that failed Saturday, May 20, 2017.(Photo: Provided by […]

"Alien megastructure" star is at it again with strange dimming – CBS News

"Alien megastructure" star is at it again with strange dimming – CBS News

The perplexing cosmic object known as “Boyajian’s star” is once again exhibiting a mysterious pattern of dimming and brightening that scientists have tried to explain with hypotheses ranging from swarms of comets to alien megastructures. On Friday, an urgent call went out to scientists around the world to turn as many telescopes as possible toward the […]

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