The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

There are some very powerful witches in Marvel Comics, and here are the 10 most powerful in the comics, ranked.

A brilliant point of light is rising in the eastern sky soon after dark this month, drawing comparisons to the "Star of ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

Using a powerful combination of space-based measurements and Subaru’s advanced imaging, astronomers have discovered two rare companions, one of which enables a key test for NASA’s Roman Space ...

Here's a list of all of the universes that will show up in Avengers: Doomsday, ranked by how important they will be.

Enterprise took a trip to the Mirror Universe in season 4, and delivered one of the best episodes of the series.

"Star Trek" fans love a good twist, but sometimes the writers conjure up a turn of events so shocking that even die-hard ...