Explore the awe-inspiring differences in star sizes and their powers, ranging from the smallest red dwarfs to the most ...

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black ...

Scientists predict one of the major surveys by NASA's upcoming Nancy Grace Roman Space Telescope may reveal around 100,000 celestial blasts, ranging from exploding stars to feeding black holes. Roman ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much ...

One of the main objectives of the Hubble Space Telescope, launched in 1990, was to measure the size and age of the Universe, ...

The telescope has the world's largest digital camera, which is the size of a small car, weighs 2,800 kg, and boasts a ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an unusually sparse region in space. If it's correct, it could rewrite cosmology.