While Katy Perry's zero-gravity adventure made headlines with mixed reactions, Carrie's no-nonsense take on the matter made for a hilarious moment and a reminder that not everyone ...

At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

For decades, the Kármán Line, set at an altitude of 100 kilometers (or 62 miles) above sea level, has been the widely ...

For five seasons between 1995 and 2000, Sliders (streaming now on Peacock) took viewers on a high-tech interdimensional ...