Beginning in the 1960s, satellite instruments have measured Earth's reflected broadband shortwave radiation and emitted ...

About 600 miles off the west coast of Africa, large clusters of thunderstorms begin organizing into tropical storms every ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

"If 2024 YR4 strikes the Moon in 2032, it will (statistically speaking) be the largest impact in approximately 5,000 years," ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

What do you say about a rocket that just can’t get enough returning? For the SpaceX Falcon 9 booster B1085, the answer is: a ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.