T his time last year, astrophiles were gearing up for a "once-in-a-lifetime" spectacle—only it never happened. The celestial ...

A star called T Corona Borealis may "go nova" next week, making the star briefly visible to the naked eye. It last happened ...

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the ...

T Corona Borealis is a dim star in a constellation, which is finally near exploding, making it the brightest it has ever been ...

For the first time, scientists have directly measured a weak r-process reaction using a radioactive ion beam, shedding light ...

Exploding stars known as supernovas may have sparked mass extinctions that wiped out up to 85% of animals on Earth.

NASA's Space Shuttle successfully reached orbit during its first attempt in April 1981. The Saturn V rocket that launched the first humans to the Moon also didn't explode during liftoff in July 1969.

This video sparkles with synthetic supernovae from the OpenUniverse project, which simulates observations from NASA's upcoming Nancy Grace Roman Space ...

T Coronae Borealis, a faint star in the Northern Crown constellation, is on the verge of exploding in a nova, which occurs ...