Daily News update on – Science


March 3, 2023
NEWS

Space.com

Gorgeous auroral glow surprises astrophotographer in California’s Death Valley

The powerful solar storm that struck Earth earlier this week treated an American astrophotographer to unexpected aurora displays during a shooting trip to California’s Death Valley. The sighting, documented in this beautiful image that shows the Milky …

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Space.com

China’s Shenzhou 15 astronauts perform 2nd spacewalk and 1st ‘fire in space’ test (video)

China’s Shenzhou 15 astronauts are keeping busy on the nation’s Tiangong space station. Two of the three Shenzhou 15 spaceflyers — Fei Junlong and Zhang Lu — conducted a spacewalk outside Tiangong recently, officials with the China Manned Space …

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CNN

SpaceX astronaut capsule docks at space station

A crew of astronauts aboard a SpaceX Crew Dragon capsule docked at the International Space Station, concluding a one-day trip to rendezvous with the orbiting laboratory after launching from Florida early Thursday. The capsule made …

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Harvard Gazette

Seeking clues to how shifting climate may change ocean ecosystems

Researchers know that marine organisms are shifting geographically toward the Earth’s poles in response to climate change. However, predicting the extent to which the species will move as ocean temperatures rise, and whether such changes presage a …

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Scientific American

Colliding Dwarf Galaxies Reveal a Glimpse of the Early Universe

For the first time, astronomers think they’ve spotted two pairs of merging dwarf galaxies, with each pair sporting a duo of soon-to-collide black holes. The observations could reveal new details about the early formation of large galaxies like our own …

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Astronomy Magazine

New results from NASA’s DART mission confirm we could deflect deadly asteroids

The conclusion: “kinetic impactor technology is a viable technique to potentially defend Earth if necessary”. Small asteroids could be dangerous, but hard to spot. Our solar system is full of debris, …

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Phys.Org

Determining the tempo of evolution across species

Scientists from Denmark and China have estimated germline mutation rates across vertebrates by sequencing and comparing genetic samples from 151 mother, father, and offspring trios from 68 species of mammals, fishes, birds and reptiles. A …

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NPR

Toothed whales use ‘vocal fry’ to hunt for food, scientists say

Coen Elemans was waiting for his flight to take off at the Copenhagen Airport. Numerous safety and passenger announcements cascaded out of the intercom. “They normally never say anything at this airport!” observed Elemans, a bioacoustician at the …

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Smithsonian

Four Astronauts Arrive at the International Space Station

Despite a launch delay and docking issue, the space travelers are now onboard the orbiting laboratory. Will Sullivan. March 3, 2023 4:26 p.m.. A rocket carrying a spacecraft with four astronauts launches against a night sky The astronauts launch into …

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Space.com

See Jupiter and Venus dance across the twilight sky in this amazing photo collage

Venus and Jupiter have put on quite a show for skywatchers in recent weeks. The two planets have been shining brightly in the early evening skies for several weeks, and in recent days they’ve been moving closer together in the night sky.

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