Look to the western horizon after sunset on March 22 to find the Pleiades glowing 5 degrees above the 14%-lit sickle-like ...

A multitude of new moons have made their presence known around Jupiter and Saturn, bringing their population of moons to 101 and 285, respectively.The new discoveries also bring the total number of kn ...

This week, among a lot of other important findings, we learned that emperor cichlid fish have gaze sensitivity and dislike it ...

We are now officially in the season of spring with the start at the March equinox yesterday, though the weather seems to have jumped to summer!

Read today's free weekly Aquarius horoscope to see what's in store for you including predictions on love, romance, health, happiness, career, success and more ...

Oxygen on exoplanets can be the result of simple chemical processes rather than biological ones.

Look out for the moon's upturned crescent, now just 2%-lit, above the evening star of Venus, as light reflected from Earth's ...

It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

Pluto lost its planetary status in 2006. Nearly two decades later, people are still arguing about it — and now the argument has reached the White House. NASA Administrator Jared Isaacman told the ...

Billions of years from now, the Sun will become a red giant. And then, it will slowly die. That’s right. It’s the end of the Solar System, and this is your survival guide. What will happen when Earth ...

Astronomers discover PicII‑503, a 14-billion-year-old star carrying primordial elements, challenging theories of early star ...