A NASA expert suggests aliens are real, but their technology isn't 'super-science'. Find out the chilling reason their signals fail to reach us and why we are effectively alone in a crowded galaxy.

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...

The nova outburst happens once every roughly 80 years, making this is a once-in-a-lifetime opportunity for many.

Scientists may have made an "out of this world" discovery. New research suggests that a mysterious glow in our galaxy might be caused by dark matter, an invisible form of matter believed to be five ...

The expansiveness of the universe could make interstellar communication difficult, even for the most advanced civilizations.

What can an exploding star in a distant galaxy teach scientists about red supergiants? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of ...

NEW YORK — Scientists for the first time have spotted the insides of a dying star as it exploded, offering a rare peek into stellar evolution. Stars can live for millions to trillions of years until ...

The John N. Bahcall Lecture Series Presenter: Robert Kirshner, Clowes Professor of Science, Harvard University Exploding stars halfway across the universe show that the expansion of the universe is ...

A star exploding at the end of its life has rocked the cosmos like no other that humanity has ever seen. In 2021, astronomers watched in astonishment as a supernova 2.2 billion light-years away named ...