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Jan. 7, 2003 / 9:06 AM

Scientists find 'biological clock' protein

WEST LAFAYETTE, Ind., Jan. 7 (UPI) -- The biological clock that keeps time for almost every activity within living creatures is a single protein, Purdue University researchers report. Most scientists have thought the clock -- also known as the "circadian rhythm" -- results from a complicated network of biochemical interactions.

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NASA's Hubble Telescope in safe mode after faulty readings

Science News // 3 hours ago

NASA's Hubble Telescope in safe mode after faulty readings

April 26 (UPI) -- Scientists at NASA are continuing work to restore operations to its Hubble Space Telescope, after pausing them earlier in the week due to issues with the orbiting instrument's gyroscope.

Bird flu virus in milk poses challenges for dairy industry

Science News // 5 hours ago

Bird flu virus in milk poses challenges for dairy industry

April 26 (UPI) -- The discovery of fragments of avian flu virus in milk sold in U.S. stores, including in about 20% of samples in initial testing, suggests that the H5N1 virus may be more widespread in dairy cattle than previously known.

Crew of first Boeing Starliner mission arrives at Kennedy Space Center

Science News // 1 day ago

Crew of first Boeing Starliner mission arrives at Kennedy Space Center

April 25 (UPI) -- The crew of the first Boeing Starliner space mission arrived Thursday at NASA's Kennedy Space Center in Florida ahead of the spacecraft's debut manned mission on May 6.

NASA seeks help from private companies for expensive Mars Sample Return mission

Science News // 1 day ago

NASA seeks help from private companies for expensive Mars Sample Return mission

April 25 (UPI) -- A critical NASA mission in the search for life beyond Earth, Mars Sample Return, is in trouble. Its budget has ballooned from $5 billion to over $11 billion, and the sample return date may slip to 2040.

China to launch 3 astronauts to Tiangong space station as Beijing's lunar plans progress

Science News // 1 day ago

China to launch 3 astronauts to Tiangong space station as Beijing's lunar plans progress

April 24 (UPI) -- China will launch three crew members into low-Earth orbit Thursday for a six-month mission at Tiangong space station, as China prepares to put astronauts on the moon before the end of the decade.

Japan's SLIM survives 3rd lunar night, surprising designers

Science News // 2 days ago

Japan's SLIM survives 3rd lunar night, surprising designers

April 24 (UPI) -- Japan's moon lander has survived a third lunar night, something that surprised even its designers, as it continued to take snapshots and probe the satellite's surface, officials said on Wednesday.

Rocket Lab launches NASA's solar sail technology into orbit

Science News // 2 days ago

Rocket Lab launches NASA's solar sail technology into orbit

April 23 (UPI) -- Rocket Lab's Electron launched NASA's new composite solar sail into space where it will undergo weeks of testing, using sunlight to propel it through the solar system.

SpaceX sends 23 Starlink satellites into low-Earth orbit

Science News // 2 days ago

SpaceX sends 23 Starlink satellites into low-Earth orbit

April 23 (UPI) -- SpaceX launched 23 Starlink satellites into low-Earth orbit Tuesday evening from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida.

Voyager 1 resumes sending readable status updates after 5 months of repairs

Science News // 3 days ago

Voyager 1 resumes sending readable status updates after 5 months of repairs

April 22 (UPI) -- The pioneering Voyager 1 deep-space probe is once again sending usable engineering updates back to Earth after five months of repairs, NASA officials announced Monday.

NASA to launch solar sail, navigate space using sunlight

Science News // 3 days ago

NASA to launch solar sail, navigate space using sunlight

April 22 (UPI) -- NASA is gearing up for a launch this week that will test a new way to navigate the solar system, using a large sail to catch the sunlight.

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