Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

The result is an impressive panorama, revealing approximately 200 million stars and extending six times the apparent diameter ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

According to astronomy, when you wish upon a star you’re a million years too late. The star is dead, just like your dreams. When you wish upon a star, Jiminy Cricket told us, your dreams come true.

Astronomers have completed a stunning massive photomosaic of our closest celestial neighbor, the Andromeda galaxy, comprised ...

After a close look with a powerful radio telescope, astronomers are still puzzled by a pair of objects with strange ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with ...