Sessile filter feeders like this Carboniferous crinoid, the mushroom crinoid (Agaricocrinus americanus), were significantly less abundant after the Permian-Triassic extinction. Credit: Vassil – Alias Collections, CC BY-SA 3.0 New study provides a comprehensive reconstruction of the Permian-Triassic boundary event. Life on Earth has a long, but also an extremely turbulent […]
Satellite dishes inside Kevlar domes at the Kester Satellite Ground Station in Kester, Belgium, Thursday, Oct. 15, 2020. This week, the site at Kester, which has been in use for decades but was totally overhauled in 2014, is set to fall under a new orbit, when NATO announces that it […]
Credit: Pixabay/CC0 Public Domain The International Space Station is now working normally with no danger to its occupants after the crew managed to resolve a series of technical issues overnight, Russia’s space agency said Tuesday. The crew aboard the ISS had reported issues with the oxygen production system, a toilet and the […]
Increasing state and local funding for environmental, educational, and social services may lower infant mortality among those at highest risk, particularly among infants born to teenage mothers, according to findings published this week in the journal Pediatrics from researchers at Drexel University’s Dornsife School of Public Health. After looking at a variety […]
OSIRIS-REx at Sample Site Nightingale. Credit: NASA’s Goddard Space Flight Center ANIMATION NASA’s first asteroid sample return mission, OSIRIS-REx, will make a daring attempt to “TAG” asteroid Bennu on October 20, 2020 – touch its surface and collect a sample for return to Earth. Sample site Nightingale, the mission’s targeted touch […]
The dwarf galaxy known as Dragonfly 44 caused a stir recently: apparently it had way, way more dark matter than any other galaxy. Since this couldn’t be explained by our models of galaxy formation, it seemed like an oddball. But a new analysis reveals that Dragonfly 44 has much less […]
Climate scientists Nicholas Balascio and Francois Lapointe working with an ice auger to drill in the 3.5m thick ice at South Sawtooth Lake, Ellesmere Island, Nunavut Territory, Canada. An ice auger extension is needed because the ice is so thick. Coring lake sediments can only be done after this tedious […]
Artist’s impression of the multi-planetary system orbiting a red dwarf star. Credit: Mark Garlick The “SAINT-EX” Observatory, led by scientists from the National Centre of Competence in Research NCCR PlanetS of the University of Bern and the University of Geneva, has detected two exoplanets orbiting the star TOI-1266. The Mexico-based telescope thus […]
Artist conception of the Direct Fusion Drive. Credit: Princeton Satellite Systems Fusion power is the technology that is 30 years away, and always will be, according to skeptics, at least. Despite its difficult transition into a reliable power source, the nuclear reactions that power the sun have a wide variety […]
Messier 85 galaxy by Hubble Space Telescope. Credit: NASA/STScI/WikiSky. Astronomers have conducted a study of stellar population and kinematics of globular clusters (GCs) in the galaxy Messier 85, and found that this galaxy hosts a peculiar globular cluster system. The finding is reported in a paper published October 6 on […]