Nearby red giant challenges how stars spread the building blocks of life
You are watching a long-held idea in stellar physics face serious scrutiny. Researchers at Chalmers University of Technology,…
Astronomers reveal how the Milky Way’s violent youth forged a calmer spiral giant
Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night…
Russia’s new anti-satellite weapon project would target Starlink with space shrapnel
Two NATO-nation intelligence services suspect Russia is developing a new anti-satellite weapon to target Elon Musk’s Starlink constellation…
Thousands cheer as the sun rises on winter solstice at Stonehenge
LONDON (AP) — Thousands of people cheered and danced around Stonehenge as the sun rose over the prehistoric…
New independent measurements of universe expansion rate deepen cosmic mystery : Kauai Now
A team of astronomers using a variety of ground and space-based telescopes — including W. M. Keck Observatory…
Cosmic blast looked like a kilonova, then turned into a superkilonova mystery
Caltech astronomer Mansi Kasliwal and her colleagues were not expecting to chase a mystery that blurred the line…
NASA’s Mars Reconnaissance Orbiter captured its 100,000th image of Mars
An illustration showing the planet Mars and its atmosphere. (Image source: Aynur_zakirov – Pixabay) NASA’s Mars Reconnaissance Orbiter…
How to Watch the Final Meteor Shower of 2025
The Lyrids’ radiant, the constellation Hercules, rises well before midnight, so meteors are visible all night, but are…
Astronomers discover spacetime drag around a supermassive black hole — as predicted by Einstein
A star’s fatal brush with a supermassive black hole can light up a quiet galaxy. When gravity shreds…
Interstellar comet keeps its distance as it makes its closest approach to Earth
CAPE CANAVERAL, Fla. — A stray comet from another star swings past Earth this week in one last…
Astronomers spot closest giant planet orbiting binary stars ever observed
Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in…
How Do Astronomers Find Planets in Other Solar Systems?
It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found…