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 […]

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 […]

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 […]