Hubble Space Telescope Captures a Fascinating Cosmic Occurrence 'Blue Lurker' Star System 2,800 Light-Years From Earth In a ...

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

Star formation in the early universe was a vigorous process that created gigantic stars. Called Population III stars, these ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Young supernovas could have spread water out into the cosmos, causing planet formations earlier than originally thought.

Despite their small diameters—about 12.5 miles (20 kilometers)—neutron stars boast nearly 1.5 times the mass of our sun, and are thus incredibly dense. Just a sugar cube of neutron star matter ...

Only after that could rocky planets form, and by extension, habitable planets. That’s been axiomatic in astronomy.

These Type II supernovae typically expel several solar masses of ionized gas into the interstellar medium, said Guinan. This results in an expanding shock wave which leads to enhanced star ...