The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

China is charting an ambitious course for space exploration over the next decade, with new missions outlined as part of its ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

A brilliant point of light is rising in the eastern sky soon after dark this month, drawing comparisons to the "Star of ...