Though long theorized to exist, the first exoplanet was detected in 1991. Since then, their known diversity has increased exponentially.

Here’s a hand-wavy attempt: a galaxy is a collection of stars, gas, dust and dark matter all held together by mutual gravity. At the lower end of the scale, some very small galaxies could be ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it. Some astronomers ...

A multi-year construction project at San Pedro High School in California uncovered millions of prehistoric marine fossils, dating back nine million years. The discoveries include remnants of various s ...

NASA’s James Webb Space Telescope has captured an unprecedented event of a planet forming clouds of rocky minerals in the morning, only for them to vanish by evening. The exoplanet, WASP-94A b, is ...

Planetarium will kick off its summer shows next month with an "eye-opening" look at the universe. Other "live-hosted, on-campus" shows -- which take place on Fridays and at monthly Sunday Family ...

Blue Origin's New Glenn rocket exploded during a static fire test in Cape Canaveral, Florida. What Bezos, Elon Musk, Jared ...

Astronomers pointing the Dark Energy Camera (DECam) at a nearby satellite galaxy have spotted a mystery object passing between us and one of its stars, with the unusual event lasting for around an ...