Five years of imagery from NASA's Transiting Exoplanet Survey Satellite (TESS) have been stitched together to create an ...

Astronomers have found the strongest evidence yet of an atmosphere around a rocky exoplanet.

NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

In a groundbreaking discovery, scientists using NASA’s Transiting Exoplanet Survey Satellite (TESS) have uncovered a ...

NASA's TESS space telescope discovered the 3I/ATLAS interstellar object, which is considered by a number of theories as a possible alien spacecraft, almost two months before it was officially ...

NASA's Hubble telescope has re-photographed the interstellar object 3I/ATLAS, located 286 million km from Earth. The agency ...

You live in a galaxy packed with black holes that never announce themselves. They do not blaze in X-rays or glow with stolen ...

NASA and the European Space Agency (ESA) have a number of telescope assets which have captured images of the interstellar ...

Astronomers have confirmed that three Earth-sized planets are orbiting two stars in the same system — a first in the history ...

Subtle variations in the star’s brightness suggest it once collided and merged with another star, an explosive event that ...

"Young, alpha-rich stars are quite rare and puzzling. The combination of youth and ancient chemistry suggests this star ...

A new study redefines the Pleiades (M45) as a "Greater Pleiades Complex," an extensive stellar family comprising 3,091 member stars and spanning over 1,900 light-years, making it 20 times larger than ...