Red dwarf stars are cosmic killers that eat their own planets

Astronomers have discovered the first evidence that tiny red dwarf stars can devour their own planets.

A ‘lost planet’ may have given Jupiter and Uranus their moons

New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.

James Webb Space Telescope discovers a black hole that formed before its host galaxy. Scientists aren’t sure how

Observations of “Little Red Dot” ancient galaxies by the James Webb Space Telescope could answer the question: which comes first, the black hole or its galaxy? The shocking answer could represent a complete paradigm shift….

Most powerful ‘ghost particle’ ever may have come from a cosmic particle accelerator fed by a black hole

The most energetic “ghost particle” neutrino ever detected may have been blasted at Earth by blazars, suggesting that these events and their black hole engines are powerful cosmic particle accelerators.

Where did Mercury get its water ice? Maybe from a single slow asteroid impact

Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study suggests.

The Milky Way may have devoured another galaxy named Loki, and astronomers think they’ve found its remains

Astronomers say that they have identified 20 stars that may have grown up together in a dwarf galaxy named “Loki” that eventually became part of our Milky Way.

Artemis moon base will cover ‘hundreds of square miles’ with hopping drones and new lunar rovers, NASA says

NASA envisions its moon base covering hundreds of square miles, and hopping scout drones may mark the facility’s perimeter. The agency just awarded $1 billion in contracts to get the ball rolling.

Satellites imaged an underwater volcano erupting — but scientists have no idea what’s actually happening on the seafloor

Satellites captured footage of an underwater volcano eruption in a part of the sea that remains largely a mystery.

Unusual red northern lights over Japan suggest some solar storms are stronger than we thought

Researchers analyzing crimson auroras over Japan found the glowing displays stretched hundreds of miles higher into Earth’s atmosphere than expected, challenging long-held assumptions about the strength of geomagnetic stor…