For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

At about 950 times bigger than our Sun, Betelgeuse is one of the biggest stars in our Universe. But that comes with a price. Just like us, stars have a life expectancy, and Betelgeuse is no different.

You can't see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow ...

Spencer Axani, assistant professor in the Department of Physics and Astronomy, is the inventor of CosmicWatch, a portable, ...

The gravitational lens JVAS B1938+666 consists of massive bodies ranging from 6.5 billion to 11 billion light-years away, ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star explodes twice in violently different ways. Their analysis of a series of ...

It used to be said that you could test your eyesight by counting the number of stars visible to the unaided eye. The best nights to try this are around January 19 when the Moon is new ...

Ex-Google CEO Eric Schmidt aims to fly the first private space telescope by 2029. Will it pave the way for more private ...

Every year on January 6th, Christians who follow the Julian calendar celebrate epiphany, a holiday marking the visit of the Magi to the baby Jesus. But while the occasion holds deep religious ...