Researchers at the University of Hawaii Institute for Astronomy (IfA) are helping reshape how scientists study the Sun.

For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

The astronauts and cosmonauts aboard the International Space Station spent their first full week as Expedition 74 crewmates.

Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and ...

The surprisingly high amounts of chlorine and potassium in a supernova remnant could help solve the mystery of where these ...

For generations, school posters have sorted the Solar System into tidy boxes: four small rocky planets near the Sun, two huge gas planets farther out, and, at the edge, a pair of “ice giants” – Uranus ...

The Hubble Space Telescope has once again dazzled scientists and stargazers alike with a striking image of a galaxy once ...