"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

A SpaceX Falcon 9, carrying the SPHEREx and PUNCH missions, is scheduled to lift off on Sunday at 10:09 p.m. ET.

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

This stunning photo was taken on January 29, 2025, from 265 miles (425 km) above the Pacific Ocean. Pettit, a seasoned ...

The shot of our planet and the great cosmos beyond offers an eerie sense of scale to our quotidian situations on Earth.

NASA astronaut Don Pettit captures a breathtaking image of the Milky Way from the International Space Station, offering a ...

NASA astronaut Don Pettit captures a breathtaking image of the Milky Way from the International Space Station, offering a ...

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

Unlike the typical blue-and-green depiction of Earth, this photo shows the planet in a mossy green hue, framed by a thin ...

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar ...

For decades, scientists have studied small satellite galaxies to better understand how the universe’s smallest galaxies ...

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.