It's a weekend double cosmic treat! Comets Lemmon and SWAN are making a close approach to Earth. Can you see it in NJ? Timing ...

An astute scientist has claimed the comet could be a mothership for an advanced alien life-form, sent to 'do a recon of Earth ...

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.

Japan's new HTV-X cargo spacecraft will launch on its first-ever mission to the International Space Station today (Oct. 25), ...

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

The presence of the first stone crabs in Chesapeake Bay, a sign of how global warming is pushing tropical species northward.

Researchers are uncovering why the immune system falters in space, from microbiome shifts to stress, and how to fight back.

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days — the ...

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

Here's what to know about the beaver moon, the next full moon and penultimate supermoon of 2025, which will illuminate skies ...

Texas lawmakers have demanded the Discovery shuttle be moved to the Johnson Space Center in Houston, but daunting technical challenges remain—and Virginia officials have dug in against the move.

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...