Science

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A 7-Billion-Year-Old Ice Ball Just Entered Our Solar System  SciTechDaily Everything We Know About the Interstellar Object 3I/ATLAS  WIRED Our solar system has a new mysterious visitor—what is it?  National Geographic 3I/Atlas: Mystery interstellar object could be the oldest known comet  BBC Astronomers have spotted an interstellar comet older than the Sun  The Economist Source link

“Very early in Mars’ history, maybe 4 billion years ago, the planet was warm enough to support lakes and river networks,” Kite told Ars. “There were seas, and some of those seas were as big as the Caspian Sea, maybe bigger. It was a wet place.” This wet period, though, didn’t last long—it was too short to make the landscape …

Eruption unknown: The case of Yellowstone National Park’s newly recognized geologic unit  Idaho Capital Sun Source link

A new sunspot is putting on a spectacular show in our solar system, capturing the attention of astronomers and astrophotographers alike. Located in sunspot region 4136, this region is currently crackling with magnetic explosions, known as Ellerman bombs, and is heading straight toward Earth. These events have been caught in vivid detail by French astrophotographer Philippe Tosi, who photographed the …

Scientists are warning that glaciers melting due to global warming could trigger explosive — and potentially deadly — volcanic eruptions around the world. As detailed in a new study presented at the Goldschmidt international geochemistry conference this week and due to be peer-reviewed later this year, researchers from the University of Wisconsin-Madison analyzed six volcanoes in southern Chile to study …

GOLDEN, Colorado — There are those who envision big bucks pouring in from the heavens by cashing in on resource-rich asteroids. In increasing number, probes are being dispatched by multiple countries that can plumb the depths of deliverables from space rocks. Metallic asteroids are made up mostly of iron and nickel, and also contain platinum group metals, or PGMs for …

Israel’s most advanced communications satellite successfully launched by SpaceX  The Times of Israel SpaceX launches Israeli satellite on a Falcon 9 rocket from Cape Canaveral  Spaceflight Now SpaceX launches mystery satellite to geostationary transfer orbit  Space WATCH: IAI launches Dror-1 communications satellite with the help of SpaceX Falcon 9  The Jerusalem Post Israel’s most-advanced communications satellite to be launched in coming minutes  The Times of …

Astronomers believe they’ve uncovered the source behind mysterious cosmic signals known as fast X-ray transients (FXTs) — and it adds a grim twist to our understanding of the death of stars. Right as a massive star explodes in a supernova, it unleashes a tremendously energetic stream of particles called a jet, producing a gamma ray burst — one of the most …

In a groundbreaking discovery, botanists have identified a towering, ancient species of tree in Tanzania’s Udzungwa Mountains. Known as Tessmannia princeps, these giants stand at heights of up to 131 feet and are estimated to be between 2,000 and 3,000 years old. The research team, led by Andrea Bianchi, a horticulturist at the Muse Science Museum in Trento, documented the …