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Dec. 11, 2002 / 2:00 PM

Shifty HIV thwarts AIDS vaccine attempts

BETHESDA, Md., Dec. 11 (UPI) -- Government researchers have discovered an unusual mechanism of the shifty AIDS virus that has made vaccine development such a challenge for the past two decades. The virus changes shape to evade an immune attack, whether directed by the body or prodded by a vaccine, they said in Nature.

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NASA announces new Stennis Space Center director

Science News // 22 hours ago

NASA announces new Stennis Space Center director

April 29 (UPI) -- NASA named John Bailey as the space agency's new director of the Stennis Space Center in Mississippi on Monday, four months after he started serving as acting director.

Decaying El Nino created prime conditions for tornado outbreaks

Science News // 1 day ago

Decaying El Nino created prime conditions for tornado outbreaks

April 29 (UPI) -- Dozens of tornadoes hit the central U.S. Friday through Sunday, tearing through suburbs and small towns and damaging hundreds of homes from Oklahoma to Nebraska and Iowa.

SpaceX sends another batch of Internet satellites aloft

Science News // 1 day ago

SpaceX sends another batch of Internet satellites aloft

April 28 (UPI) -- Atop a million pounds of liquid propellant, SpaceX launched its next in a series of Falcon 9 rockets riding a column orange fire and exhaust from Florida on Sunday, rumbling out over the Gulf Coast.

SpaceX ties record with 20th Falcon 9 booster re-use in Galileo L12 launch

Science News // 2 days ago

SpaceX ties record with 20th Falcon 9 booster re-use in Galileo L12 launch

April 28 (UPI) -- SpaceX has tied its own record with the 20th use of a Falcon 9 booster with its latest and final mission, the launch of a European Union Galileo L12 navigation and positioning satellite.

Report: Global wine production worst in 62 years due to 'extreme climate events'

Science News // 3 days ago

Report: Global wine production worst in 62 years due to 'extreme climate events'

April 27 (UPI) -- Fires, droughts and other conditions commonly associated with a changing global climate greatly contributed to making the world's 2023 wine production the worst in 62 years, industry officials have reported.

NASA's Hubble Telescope in safe mode after faulty readings

Science News // 4 days 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 // 4 days 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 // 4 days 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 // 5 days 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 // 5 days 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.

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