Google Science Feeds

UM-led study simulates impact of global tsunami after dinosaur-killing asteroid

Wed, 10/05/2022 - 04:55
When a miles-wide asteroid hit Earth 66 million years ago, killing nearly all the dinosaurs as well as most plant and other animals, it also triggered a massive tsunami that altered the globe, according to a new study led by researchers at the ...

NASA's DART smash created asteroid debris tail more than 10000 kilometres long

Wed, 10/05/2022 - 01:32
Last month NASA smashed a spacecraft into an asteroid to see if it would change course. Key points: New images show the humungous tail created by NASA's DART asteroid smash; It could be weeks until scientists confirm if the asteroid's orbit has been ...

Ancient ice sheets expelled water to stop collapse - study finds

Wed, 10/05/2022 - 01:00
A new study of the melting of vast ice sheets which once covered Ireland over 20,000 years ago could have implications for understanding how glaciers and ice sheets will respond to climate warming today, according to the British Antarctic Survey (BAS).

The night sky in the Midlands this month: October, 2022

Tue, 10/04/2022 - 23:44
COLUMBIA, S.C. — We had quite a bit of photos and videos sent to us on our WLTX Weather Watchers page this past month. Some of the things you saw in the night sky included the full moon, the international space station, and even the Milky Way galaxy!

ULA Launches SES C-band Satellites SES-20 and -21

Tue, 10/04/2022 - 23:31
The Atlas V rocket took off from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Oct. 4 at 5:36 p.m. EDT. SES-20 was set to separate 5 hours and 38 minutes into the mission, and SES-21 was set to separate 6 hours and 18 minutes ...

How to Catch the Draconid Meteor Shower as Fire Returns to the Skies This Month

Tue, 10/04/2022 - 23:28
The Perseids in August may be the most famous meteor shower of the year, but October is a sleeper season for shooting star sensations that just might produce more total meteors on balance over the full month. Major meteor showers like the Orionids and ...

What Caused This T. Rex's Strange Skull Injuries?

Tue, 10/04/2022 - 22:31
The Tyrannosaurus rex at the Chicago Field Museum, affectionately known as "Sue," ranks among the biggest and best-preserved specimens of T. Rex in the world. That said, the fossilized dinosaur is far from flawless.

Spin flips show how galaxies grow from the cosmic web

Tue, 10/04/2022 - 21:41
A new study published in Monthly Notices of the Royal Astronomical Society finds that galaxies with bigger bulges tend to spin perpendicular to the filaments in which they are embedded, while galaxies with smaller bulges tend to spin parallel to these ...

Laughing Gas Could Be a Sign of Life on Distant Planets

Tue, 10/04/2022 - 21:22
Humanity's quest for life beyond Earth involves investigating planets in our own solar system (hello, Mars) and exoplanets outside of it. A team of astrobiologists has proposed looking for nitrous oxide, known as laughing gas, as a possible indication ...

Trio of physicists share Nobel Prize for work on quantum science

Tue, 10/04/2022 - 20:26
Frenchman Alain Aspect, American John F. Clauser and Austrian Anton Zeilinger were cited by the Royal Swedish Academy of Sciences for experiments proving the “totally crazy” field of quantum entanglements to be all too real.

If SpaceX's Starship Goes Boom on the Launch Pad, NASA Has a Backup Plan

Tue, 10/04/2022 - 20:02
SpaceX is moving ahead with plans to upgrade a launch pad at Cape Canaveral Space Force Station, which will serve as a backup to the Kennedy Space Center pad the company currently uses to launch cargo and crews to space.

Protein family shows how life adapted to oxygen

Tue, 10/04/2022 - 19:36
"Comprehensive phylogenetic analysis of the ribonucleotide reductase family reveals an ancestral clade" published in eLife on Oct. 4. Co-first authors of the study are Audrey Burnim and Da Xu, doctoral students in ...

India's Mars Orbiter Dies After Eight-Years. How Its Legacy Will Live On

Tue, 10/04/2022 - 19:16
The Indian Space Research Organization says its Mangalyaan spacecraft has run out of fuel and is "non-recoverable." Monisha Ravisetti headshot. Monisha ...

Small eddies play a big role in nutrient cycling

Tue, 10/04/2022 - 19:11
Subtropical gyres are massive rotating ocean currents which generate sustained circulations in the Earth's subtropical regions to the north and south of the equator. These gyres are slow-moving whirlpools, circulating within large basins around the ...

Supercomputer Simulations Just Gave Us a New Explanation for How the Moon Was Created

Tue, 10/04/2022 - 19:09
In this scenario, the orbital debris would have been largely comprised of the remains of Theia. However, rock samples recovered from the Moon's surface by Apollo-era astronauts showed a surprising structural and isotopic similarity to those found on Earth.

NASA Nerds Out Over Mars Rover's Lucky 13th Rock Sample

Tue, 10/04/2022 - 19:02
A dainty cylinder of pencil-width rock is a great reason to celebrate. NASA's Perseverance rover has collected its 13th core sample in the Jezero Crater on Mars. Like other recent samples in its collection, this one could tell us about the history of water ...

Webb Telescope Searches for Exoplanet Atmospheres

Tue, 10/04/2022 - 19:02
October 4, 2022 • Physics 15, 151. The recent detection of CO2 around a distant Jupiter-like planet spurs optimism for detecting atmospheric gases around Earth-like planets orbiting faraway stars. Figure caption expand figure. ESO/M. Kornmesser.

Experiments hint at how molecules essential to all life first arose

Tue, 10/04/2022 - 19:00
A series of chemistry experiments hint at how an energy-storing molecule found in all living cells could have first arisen on Earth. All living things use adenosine triphosphate (ATP) as a source of energy for biological processes, such as breaking ...

An Early Star's Remains May Be Swirling Around a Black Hole

Tue, 10/04/2022 - 19:00
Roughly 100 million years after the Big Bang, the first stars in the universe were born. But all of these first-generation stars likely burned out long ago in massive explosions, writes Gizmodo's Isaac Schultz. As a result, astronomers have never observed ...

Incoming natural sciences faculty bring expertise in probability theory, genetics, fluid dynamics

Tue, 10/04/2022 - 18:50
Meet the new group of faculty members joining the mathematics, biological sciences and quantitative and computational biology departments at the USC Dornsife College of Letters, Arts and Sciences this fall.