These so-called Venus co-orbital asteroids are currently undetected because of their alignment in the sky but could one day drift into Earth’s path, at least according to simulations combining ...

JWST’s mid-infrared images of Sagittarius B2 uncover dense clouds of cosmic dust hiding active star formation.

Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its ...

The aurora borealis is a spectacle of space weather, but solar flares and coronal mass ejections have far more Earthly ...

The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground ...

When you think of telescopes in space, you probably think of the Hubble Space Telescope and its younger, larger sibling, the ...

Our Milky Way galaxy never sits still: it rotates and wobbles. And now, data from the European Space Agency's Gaia space ...

The post Astronomers Hoping To Be Ready To Send A Probe To The Next Interstellar Object That Enters Our Solar System first on ...

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

A 50-million-light-year-long flow of hydrogen gas has been observed linking two tiny galaxies 50 million light-years away, ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

The James Webb Space Telescope has uncovered dazzling newborn stars and thick cosmic dust in Sagittarius B2, the Milky Way's ...