The Nearest Stars to Earth (Infographic)

The nearest stars, their distances in light-years, spectral types and known planets. (Image credit: Karl Tate, SPACE.com contributor) Stars speckle the expanse of our ever-expanding universe. While our closest star is the sun that we orbit in our little corner of the cosmos, we can peer out to see what stellar neighbors live nearby. The … Read more

NASA’s gamma-ray observatory is in safe mode after a possible wheel failure

A visualization of the Neil Gehrels Swift Observatory.  (Image credit: NASA) NASA’s Neil Gehrels Swift Observatory has temporarily stopped its science observations while the mission team investigates an issue. On Tuesday night (Jan. 18), the observatory, a gamma-ray hunting space telescope originally called the Swift Gamma-Ray Burst Explorer, went into safe mode and paused all … Read more

Bad weather delays SpaceX Dragon’s departure from space station to Saturday

A SpaceX resupply ship will have to wait at least one more day before returning to Earth. Yesterday (Jan. 19), cosmonauts Anton Shkaplerov and Pyotr Dubrov ventured outside the safe confines of the International Space Station to conduct a seven-hour, 11-minute spacewalk. While the pair cleaned up following the spacewalk, SpaceX was preparing its robotic … Read more

Babies can tell who’s closely related from whether they share saliva

Infants and toddlers seem to expect people who exchange saliva, for example by taking bites of the same food, to be close enough to comfort each other if one gets upset Mind 20 January 2022 By Alice Klein Sharing a spoon may be a sign of a close bond kate_sept2004/Getty Images Babies and toddlers can … Read more

Covid-19 brain fog: neurological symptoms likely due to immune reaction, should be reversible

Growing evidence suggests neurological symptoms of long covid, such as brain fog, are caused by an immune reaction – and should be reversible Health 20 January 2022 By Jessica Hamzelou The SARS-Cov-2 virus may cause immune reactions that lead to neurological symptoms SCIENCE PHOTO LIBRARY Over the past couple of years, we have learned that … Read more

Latest COVID Surge Pushes Parents to Next-Level Stress

The list of U.S. parents’ pandemic burdens this winter is longer and more chaotic than ever: More kids have been infected with the novel coronavirus, or SARS-CoV-2, despite scrupulous safety measures. Outbreaks have occurred in staff-strained schools and daycare centers. Many have faced dreaded returns to remote learning. COVID vaccine boosters remain unauthorized for most … Read more

Astronaut spots clouds from Tonga volcano eruption from space (photos)

Astronauts on the International Space Station captured the aftermath of the massive volcanic eruption that tore up a small island in the Pacific Ocean and sent tons of ash into the atmosphere on Saturday (Jan. 15). Several weather satellites captured the eruption as it happened, revealing the massive cloud resembling a nuclear explosion that engulfed … Read more

Greenland Could Melt for Millennia If Warming Stopped Today

The warming that humans cause today may have ripple effects far into the future, scientists warned in a study yesterday that finds the vast Greenland ice sheet could continue melting for centuries after greenhouse gases are stabilized. Greenland has a delayed response to changes in the Earth’s climate, and even if the planet stopped warming … Read more

Prosecutors drop China Initiative case against MIT’s Gang Chen | Science

A federal judge has dismissed charges against Gang Chen, a professor of mechanical engineering at the Massachusetts Institute of Technology (MIT) accused of lying about his ties to China. It was one of the highest profile cases under the government’s 3-year-old China Initiative, which is intended to prevent China from stealing U.S.-funded research. Critics of … Read more

Historic Mars weather delay pushes Ingenuity helicopter’s next flight to Sunday

NASA’s Ingenuity Mars helicopter has notched yet another milestone — the first weather-related flight delay on another planet. Ingenuity was scheduled to make its 19th Red Planet hop on Jan. 5. On New Year’s Day, however, a strong dust storm kicked up near Jezero Crater, which the helicopter and its robotic partner, NASA’s life-hunting Perseverance rover, … Read more