Science news 21 Feb, 2021
Buzz Aldrin reacts to NASA’s Perseverance rover landing on Mars - Fox NewsFox News
Legendary Apollo 11 astronaut Edwin "Buzz" Aldrin this week hailed "all the folks" at NASA and its Jet Propulsion Laboratory (JPL) on the successful landing of the Perseverance rover on the surface of Mars.
Pole position: Phenomenon 42,000 years ago killed off Neanderthals, study - New York Daily NewsNew York Daily News
A new study posits that the shifting of the magnetic poles possibly spelled the end of Neanderthals.
Gravity May Play a Tiny But Important Role in The Microworld of Particle Physics - ScienceAlertScienceAlert
Launch yourself from a great enough height and it won't take long to see which would win in a battle between gravity and the forces that bind solid ground.
One of the first known black holes is more massive than once thought - EngadgetEngadget
Astronomers have determined that one of the first known black holes, Cygnus X-1, is more massive than once thought — and that could force a rethink of scientific models.
Spacecraft Named For 'Hidden Figures' Mathematician Katherine Johnson Launches - NPRNPR
The supply ship is named for Katherine Johnson, a Black NASA mathematician portrayed in the 2016 film. It's bringing some 8,000 pounds supplies and hardware to the International Space Station.
Launch of Starliner test flight slips to no earlier April 2 – Spaceflight Now - Spaceflight NowSpaceflight Now
Is this giant asteroid on course to obliterate Earth? An expert weighs in - DazedDazed
NASA has classified Asteroid 2001 FO32 as a Potentially Hazardous Asteroid, but there’s probably no need to start the Doomsday prep just yet
Hitting the Books: How NASA survived the Reagan era 'Dark Ages' - EngadgetEngadget
The US has not always led from the front when it comes to interplanetary exploration.
Unprecedented Map of the Sun's Magnetic Field Created by CLASP2 Space Experiment - SciTechDailySciTechDaily
Every day space telescopes provide spectacular images of the solar activity. However, their instruments are blind to its main driver: the magnetic field in the outer layers of the solar atmosphere, where the explosive events that occasionally affect the Earth…
Are dogs self-aware? A new study reveals what canines think - InverseInverse
A study published Thursday in the journal "Scientific Reports" suggests dogs experience an important manifestation of self-representation: body awareness.
An asteroid is approaching, so I invited one of Earth's defenders to dinner - ZDNetZDNet
Near-Earth Asteroid 99942 Apophis will be visible on Sunday. Some say it could ultimately destroy satellites and spaceships. The creators of the Unistellar eVscope telescope are trying to marshal our defense.
Scientists decode how Mars may have lost its atmosphere - Times of IndiaThe Times of India
India News: NEW DELHI: Solar winds may have led to Mars losing its atmosphere, according to a computer simulation study which confirms the long held belief that p.
'An exciting time': European Space Agency takes diversity to space - The GuardianThe Guardian
Helen Sharman, the UK’s first astronaut, praises the agency as it begins a search for 26 recruits
FAA closes investigation of SpaceX's Starship SN9's test-flight crash - Space.comSpace.com
The milestone helps clear the way for SN10's upcoming flight.
MARS: Indian-American scientist, Swati Mohan, played a pivotal role in landing NASA's Rover - WIONGoogle News
Decades After The Deepwater Horizon Oil Spill, Local Dolphins Are Still Suffering - ScienceAlertScienceAlert
An oil rig explosion off the coast of Louisiana killed eleven workers on 20 April 2010. The world then watched helplessly as BP's oil gushed out into the Gulf of Mexico for 87 days, killing untold millions of marine animals.
Starlink explained: What to know about Elon Musk's satellite internet venture - CNETCNET
The billionaire entrepreneur is launching satellites into space, and promising to deliver high-speed broadband internet to as many users as possible.
Hope and despair - An Emirati probe journeys into outer space | Middle East & Africa - The EconomistThe Economist
While an Emirati princess cannot leave her villa
Time-lapse reveals the hidden dance of roots - Phys.orgPhys.Org
Duke researchers have been studying something that happens too slowly for our eyes to see. A team in biologist Philip Benfey's lab wanted to see how plant roots burrow into the soil. So they set up a camera on rice seeds sprouting in clear gel, taking a new p…
NASA sees “reasonable chance” of first SLS launch this year - SpaceNewsSpaceNews
NASA remains cautiously optimistic that the first launch of the SLS rocket can take place before the end of the year despite a second Green Run test.
NASA TV Coverage Scheduled for Upcoming Spacewalks, Briefing - NASANASA
Three crew members from Expedition 64 will conduct two spacewalks working in pairs Sunday, Feb. 28, and Friday, March 5, to continue upgrades on the International Space Station.
Man killed in wreck involving 18-wheeler, dump truck on Highway 20 in Decatur - WHNT News 19WHNT News 19
A wreck involving an 18 wheeler and a dump truck blocked Highway 20 on Friday, according to the Morgan County Sheriff’s Office.
Astronomers publish map showing 25,000 supermassive black holes - Phys.orgPhys.Org
An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequenc…
Mars may look like an alien wasteland, but we now have more evidence it could have once been another Earth - SYFY WIRESYFY WIRE
There is a reason Perseverance landed where it did, and that reason goes back at least 3.5 billion years.
Stromatolites—fossils of earliest life on Earth—may owe existence to viruses - Phys.orgPhys.Org
As the Mars Rover sets out to look for evidence of life on another planet, scientists back on Earth suggest viruses played a key role in creating stromatolites, our planet's earliest lifeforms.
Comments on: Is the Brunt Ice Shelf in Antarctica on the Brink? - SciTechDailySciTechDaily
In early 2019, all eyes were fixed on the Brunt Ice Shelf in Antarctica, where a massive iceberg, around the size of Greater London, appeared poised to break off. Almost two years later, the berg is desperately clinging on, although current data indicate calv…
Quartz crystals in the stomach of fossil bird complicates the mystery of its diet - Phys.orgPhys.Org
It's hard to know what prehistoric animals' lives were like—even answering seemingly simple questions, like what they ate, can be a challenge. Sometimes, paleontologists get lucky, and pristine fossils will preserve an animal's stomach contents or provide oth…