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Antarctica's ice shelves could be melting faster than we thought

13 hours 4 min ago
Date: August 12, 2022; Source: California Institute of Technology; Summary: A new model illustrates how meltwater from the Antarctic ice can trap heat under ice shelves, increasing melting in a feedback loop. Share: FULL STORY ...

The Sturgeon Moon dazzles viewers

Sat, 08/13/2022 - 19:42
It's when the moon is at its biggest and brightest. Thursday's supermoon was a marginal supermoon and is the third closest full moon of the year after the supermoons in June and July. While it may be a supermoon bronze medalist, it was still pretty dang ...

Look in the sky this month for the Perseid meteor shower

Sat, 08/13/2022 - 18:46
One of the year's best meteor showers – the Perseids – is peaking, but there's a big, bright object in the sky making prime views harder this year. It's a full moon. “Sadly, this year's Perseids peak will see the worst possible circumstances for ...

See the huge solar wings of China's space station in motion above Earth (video)

Sat, 08/13/2022 - 13:12
China's space station recently gained a new module and with it a pair of huge, solar energy-capturing "wings" that can rotate as the outpost orbits the Earth. A new video from China's human spaceflight agency, CMSA, shows the large solar arrays ...

Astronomers watch Betelgeuse recover after colossal blast

Sat, 08/13/2022 - 10:10
It's not about to go supernova, experts say. But new observations from the Hubble Space Telescope are helping astronomers understand how red stars like Betelgeuse lose mass as they age — and what consequences follow such a significant eruption.

The Big Bang Is Key to Understanding the Universe. What if It Never Actually Happened?

Sat, 08/13/2022 - 08:05
The James Webb Space Telescope is trying to capture the beginning point of the universe. That mission is liable to encounter a challenge that no technology can solve: What if there was no beginning?

US astronaut Jessica Watkins sets sights on Moon... and Mars

Sat, 08/13/2022 - 07:19
At 34, Watkins has many years ahead of her at the US space agency NASA, and could very well be one of the first women to step foot on the Moon in the coming years, as a member of the Artemis team preparing for upcoming lunar missions.

SpaceX launches more Starlink satellites in afternoon launch from California

Sat, 08/13/2022 - 01:51
SpaceX launched 46 more Starlink internet satellites on a Falcon 9 rocket Friday from Vandenberg Space Force Base in California, adding more broadband relay platforms to the polar-orbiting segment of the network. The 229- ...

Annual August meteor shower continues to peak overnight

Sat, 08/13/2022 - 00:39
Each year, the Earth runs into that rock dust trail as it moves around the sun. The rock dust is in the same spot, which is why the meteor showers happen every year at the same time.

Supernova 'wreckage' blasts out cosmic rays in deep space

Fri, 08/12/2022 - 23:04
Their new findings link shockwaves and wreckage created by dying stars to natural high-energy proton accelerators in space, which are dubbed PeVatrons. These intriguing cosmic accelerators — which receive their name from their ability to boost ...

Which planet has the most moons? Moons of Saturn, Venus and Jupiter explained.

Fri, 08/12/2022 - 23:00
This great big solar system has plenty of secrets to tell. Just recently, NASA's new James Webb Telescope dazzled us mere earthlings with the first images released to date of galaxies eons in the past. The planetary systems surrounding us are similar ...

ESA Reveals Our Sun's Future While Building the Ultimate Milky Way Map

Fri, 08/12/2022 - 22:52
This image captured by NASA's Solar Dynamics Observatory on June 20, 2013, shows the bright light of a solar flare on the left side of the sun. NASA/SDO.

Small, prickly dinosaur discovered in South America reveals an unknown lineage

Fri, 08/12/2022 - 22:22
The newly discovered species, Jakapil kaniukura, looks like a primitive relative of armored dinosaurs like Ankylosaurus or Stegosaurus, but it came from the Cretaceous, the last era of the dinosaurs, and lived between 97 million and 94 million years ago.

Radioactive heat in Ceres drove dwarf planet's fractured geology

Fri, 08/12/2022 - 22:04
Radioactive matter within the dwarf planet Ceres may help drive geological activity there, a new study finds. Advertisement. Skip advert. With a diameter of about 585 miles (940 kilometers), Ceres is by far the largest member of the asteroid belt ...

Advances in technologies increase space exploration

Fri, 08/12/2022 - 21:07
At a recent Small Sat technical session at the Utah State University Logan campus James Spann, a space weather lead for NASA presented the Artemis program, NASA's first deep space exploration system: the Orion spacecraft.

Robot Shows It's Possible to Swim Through The Emptiness of a Curved Universe

Fri, 08/12/2022 - 21:00
If an astronaut were to suddenly become adrift in the void of interstellar space, they would be compelled to propel their body to safety, kicking and waving their limbs toward a sanctuary in the vacuum. Sadly for them, physics isn't so forgiving, ...

How sauropod feet carried all that weight

Fri, 08/12/2022 - 20:03
Scientists have discovered how the feet of sauropod dinosaurs like Brontosaurus and Diplodocus supported their gigantic bodies on land. As reported in Science Advances, the research team used 3D modeling and engineering methods to digitally reconstruct ...

A ridge-to-reef ecosystem microbial census reveals environmental reservoirs for animal and plant microbiomes

Fri, 08/12/2022 - 19:35
Because microbiome research generally focuses on a single host or habitat, we know comparatively little about the diversity and distribution of microbiomes at a landscape scale. Our study demonstrates that most of the microbial diversity present within ...

GMRT discovers oldest known fossil radio galaxy trapped inside cluster of galaxies

Fri, 08/12/2022 - 19:33
The high sensitivity of the Giant Metrewave Radio Telescope (GMRT) located near Khodad village, 80 km north of Pune, made detection of these 'fossil lobes' possible through their low radio-frequency radiation. Optical photograph of the cluster of ...

Antarctica's Ice Shelves Could be Melting Faster than We Thought

Fri, 08/12/2022 - 19:02
The model accounts for an often-overlooked narrow ocean current along the Antarctic coast and simulates how rapidly flowing freshwater, melted from the ice shelves, can trap dense warm ocean water at the base of the ice, causing it to warm and melt even ...