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April 25, 2002 / 2:05 PM

Infinite cycle of big bangs make universe

PRINCETON, N.J., April 25 (UPI) -- A new, radical theory suggests there is no beginning or end of time, only an infinite cycle of Big Bangs that remake the universe endlessly. Noted physicist Stephen Hawking has already bet future satellite observations will prove the model wrong, and the researchers have taken the bet.

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Stephen Hawking

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

Science News // 22 hours 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 // 1 day 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.

Six future astronauts certified from European Space Agency's 2022 graduating class

Science News // 1 day ago

Six future astronauts certified from European Space Agency's 2022 graduating class

April 22 (UPI) -- Six new recruits of the European Space Agency got to be the latest round of fully-qualified astronauts now eligible for space missions, including a woman from Australia.

Google Doodle celebrates Earth Day 2024

Science News // 1 day ago

Google Doodle celebrates Earth Day 2024

April 22 (UPI) -- Monday's Google Doodle celebrates Earth Day 2024 and sustainable living.

Wild turkey populations declined in some areas of U.S.

Science News // 4 days ago

Wild turkey populations declined in some areas of U.S.

April 19 (UPI) -- In a 2021 study, eight out of 30 states surveyed reported that turkey populations declined from 2014 to 2019, with some of the sharpest decreases in Alabama, Arkansas, Georgia, Louisiana and Oklahoma.

Constellation of Starlink satellites grows with latest SpaceX launch from Florida

Science News // 4 days ago

Constellation of Starlink satellites grows with latest SpaceX launch from Florida

April 18 (UPI) -- SpaceX launched a cluster of 23 satellites into low-Earth orbit Thursday, the 334th launch of the company's Starlink Internet satellites and the 268th time a reusable booster rocket has been used.

SpaceX launches Falcon 9, carrying 23 Starlink satellites from Florida

Science News // 5 days ago

SpaceX launches Falcon 9, carrying 23 Starlink satellites from Florida

April 17 (UPI) -- SpaceX launched its Falcon 9 rocket, carrying 23 Starlink satellites into low-Earth orbit early Wednesday evening, under clear, sunny skies in Florida.

Satellites can help find and stop methane leaks

Science News // 1 week ago

Satellites can help find and stop methane leaks

April 16 (UPI) -- Riley Duren, a research scientist at the University of Arizona, explained how new satellites are changing companies' and governments' ability to find and stop methane leaks and avoid wasting a valuable product.

Boeing Starliner rolls to Cape Canaveral Space Force Station ahead of May launch

Science News // 1 week ago

Boeing Starliner rolls to Cape Canaveral Space Force Station ahead of May launch

April 16 (UPI) -- Boeing's Starliner spacecraft took a road trip Tuesday before its May 6 liftoff, moving from the Kennedy Space Center to the Cape Canaveral Space Force Station.

NASA chooses 4 crew members for next Mars mission simulation

Science News // 1 week ago

NASA chooses 4 crew members for next Mars mission simulation

April 15 (UPI) -- NASA on Monday revealed its choices for the next four-person crew to participate in a simulated mission to Mars performed within a habitat at the agency's Johnson Space Center in Houston.

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