Humanity has spent eons looking up at the stars and wondering whether we’re alone, or if there are others like us out there in the vast unknown. Our curiosity has only increased as we have become a ...

A crescent Moon guides the way to the Red Planet as galaxies glow and Venus stands between the horns of the Bull in the sky ...

New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a ...

We cannot measure the slowing of time near the Big Bang because there is no “cosmic clock” outside of this event against ...

Now 15th magnitude, the comet is well-positioned for observation late overnight and into the early-morning hours.

Main-belt world Egeria is drifting near the star 80 Virginis tonight — the asteroid’s motion will be readily observable.

M94, also called the Croc’s Eye Galaxy, glows high in the sky tonight. How much detail can your scope pick out?

Today in the history of astronomy, the facility that eventually will become the Cape Canaveral Spaceport and Kennedy Space ...

Without our satellite, Earth’s geology, biology, and climate — even human philosophy — would be vastly different.

Stars twinkle and sometimes appear to move around due to our atmosphere “scrambling” their light as it travels to our eyes.

Although the Moon is bright, step outside early this morning to see if you can spot some fast-moving meteors left behind by ...

Winter hibernation is officially over. Spring has arrived. Warmer nights make this a great time to pull out your binoculars and enjoy everything the season offers. So, here are 10 great targets to get ...