A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...

A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an ...

A 1,300-pound NASA satellite is expected to crash through Earth's atmosphere March 10, 2026, with some of the spacecraft possibly surviving re-entry.

(THE CONVERSATION) Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and ...

Jackson Barnes, a graduate student at Michigan State University, created a simulation that reproduces the objects "naturally ...

Every child, at least once in their life, has been admonished to not stare at the sun for so long lest they go blind. But ...

A retired astronaut and his former public speaking instructor recently shared a full-circle moment nearly 30 years in the making. In 1997, Bill Wallisch was teaching a public speaking course at NASA’s ...

An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.

Last year, our most detailed map of the universe yet suggested our understanding of dark energy has been wrong for decades. The shock result is reigniting the search for a better cosmic story ...

Astronomers have detected a ghostly galaxy that is almost completely made of dark matter. The faint object was revealed by just four globular star clusters hiding in the Perseus cluster.

A closer look at the Lambda Cold Dark Matter model, its core components, supporting evidence, and why new observations are ...

Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...