Quote of the Day by Carl Sagan: ‘The Earth is a very small stage in a vast cosmic arena…’
Carl Sagan’s work in astronomy is often associated with unlocking the grand mysteries of the universe and the…
Pristine star reveals the dawn of stars and galaxies in the universe
The spectrum looked almost empty. That was the clue. In the faint light from a red giant star…
Artemis astronauts preparing for historic lunar flyby
Houston/New York – The Artemis astronauts were gearing up Saturday for their long-anticipated lunar flyby, including reviewing the…
Gravitational waves may be responsible for dark matter in the universe
Dark matter is thought to exist everywhere, wrapping around galaxies and helping to shape the largest things in…
Artemis astronauts more than halfway to moon, putting Earth in rearview
Houston/New York – The Artemis 2 astronauts passed the halfway point between Earth and the moon on Saturday…
Scientists find evidence for theorized gargantuan star explosions
WASHINGTON – A supernova — the explosive death of a star — is always violent, blasting material into…
America’s nuclear spacecraft is heading to Mars, and it’s bringing helicopters
For decades, nuclear propulsion has been a fixture of aerospace engineering proposals and government studies, always promising, never…
Distance in space is an illusion
Andromeda sounds far away because 2.5 million light-years sounds far away. It lands with authority. It feels exact.…
Lightning bolts on Jupiter are up to 100 times stronger than Earth’s
On Jupiter, a storm doesn’t just brew, it can simmer for centuries. The planet’s atmosphere is a perpetual…
Arctic sea ice shrinks to tie lowest level for winter
WASHINGTON (AP) — Vital Arctic sea ice shrank to tie its lowest measured level for the winter, the…
Astronomers Capture Two Giant Planets Forming Around Young Star WISPIT 2
Astronomers have caught two giant planets forming around WISPIT 2, an infant star just 5.4 million years old,…
A million SpaceX satellites will ruin the night sky
More than 10,000 Starlink satellites currently orbit the Earth. We see them crawling across dark skies, no matter…