The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

The European Space Agency’s astronaut cohort includes a parastronaut, as part of a feasibility project. AP Photo/Francois Mori Jesse Rhoades, University of North Dakota and Rebecca Rhoades, University ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

This time, astronomers have used new processing techniques to draw out additional details in celebration of the telescope's ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

A decade of observations cast doubt on the typical magnetar origin story, at least as it relates to SGR 0501+4516.

Could the universe be rotating? Discover how this theory may solve the Hubble tension in modern cosmology and physics.

A newly released image from the Hubble Space Telescope shows the charming Sombrero Galaxy, named for its resemblance to the ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

A new AI model from the University of Bern predicts planetary systems likely to host Earth-like planets. It could boost the ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...