NASA Extends Exploration for 8 Planetary Science Missions – Substantial Potential for New Discoveries

NASA Extends Exploration for 8 Planetary Science Missions – Substantial Potential for New Discoveries

An illustration shows our solar system (not to scale). Credit: NASA/JPL-Caltech Among the missions selected for extension are InSight, Mars Reconnaissance Orbiter, Mars Odyssey, and Curiosity, all of which have been critical to expanding our understanding of the Red Planet. Following a careful review, NASA has extended the planetary science missions of 8 of its … Read more

Astronomy & Astrophysics 101: Galaxy

Astronomy & Astrophysics 101: Galaxy

This Hubble Space Telescope image features NGC4826 — a spiral galaxy located 17 million light-years away in the constellation of Coma Berenices (Berenice’s Hair). This galaxy is often referred to as the “Black Eye,” or “Evil Eye,” galaxy because of the dark band of dust that sweeps across one side of its bright nucleus. Credit: … Read more

Axiom Mission 1 Private Astronaut Crew Safely Splashes Down Near Florida

Axiom Mission 1 Crew Splashdown

SpaceX’s Dragon Endeavour capsule splashes down in the Atlantic Ocean on April 25, 2022, marking the end of Axiom Space’s Axiom Mission 1 – the first all-private astronaut mission to the International Space Station. Credit: Axiom Space Axiom Space astronauts Michael López-Alegría, Larry Connor, Eytan Stibbe, and Mark Pathy have safely returned to Earth, marking … Read more

Calcium Supplements Linked to Earlier Death in Older People With Heart Valve Disease

Calcium Supplement Tablets

Calcium supplements, which are frequently given to older people to lessen the risk of brittle bones (osteoporosis) and fractures, are linked to an increased risk of death among those with aortic valve stenosis, a progressive and potentially fatal condition, according to new research published online in the journal Heart. What’s more, the findings show these … Read more

Pushing the Boundaries of Space Exploration

Pushing the Boundaries of Space Exploration

Artist’s representation of IXPE in Earth orbit. Credit: NASA Researchers introduce an imaging X-ray polarimetry mission that enables new measurements of cosmic X-ray sources. Humankind has long been fascinated by the secrets hidden in the immense expanse of outer space. The invention of the optical telescope during the 17th century allowed humans to see stars … Read more

How Prehistoric Humans Adapted to Intense Climate Change – Revealed by Marine Mollusk Shells

How Prehistoric Humans Adapted to Intense Climate Change – Revealed by Marine Mollusk Shells

Cantabrian coast (N Iberian Peninsula). Credit: Asier García Escárzaga Current global climate warming is having, and will continue to have, widespread consequences for human history, in the same way that environmental fluctuations had significant consequences for human populations in the past. The so-called ‘8.2 ka event’ has been recognized as the largest and most abrupt … Read more

Male Spiders Catapult off Their Mates To Avoid Sexual Cannibalism [High-Speed Video]

Male Spider Catapulting off Female

A male spider catapulting off a female during mating. These male spiders catapult at impressive speeds to flee their mates before they get eaten. After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report today (April 25, 2022) in the journal Current Biology. Using a mechanism … Read more

National Economic Burden of PTSD Is “Staggering” – More Than $230 Billion in Annual Costs

Soldier PTSD

U.S. civilian, military populations combine for more than $230 billion in annual costs. A new study finds that the national economic burden of PTSD goes beyond direct health care expenses and exceeds the costs of other common mental health conditions, such as anxiety and depression. The researchers estimated the cost of PTSD at $232.2 billion … Read more