Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

"Mercury and especially Saturn will not be easy to find even if the weather is clear. Mercury sets at 7.15pm on February 28 ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...

CAPE CANAVERAL, Fla. (AP) — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, ...

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

Astrophotographer Andrew McCarthy has millions of fans worldwide who love the stunning images he captures and creates of the ...

Don't put your binoculars away just yet, the planet parade continues through February. Here's which planets will be visible this month.

The Bullseye galaxy earned its nickname thanks to its wild number of rings. A smaller galaxy shot through its heart 50 ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

Mercury, Saturn, Neptune and Venus will disappear first ... so it's the most negative. The Hubble Space Telescope on the right can see objects down to a magnitude of positive 26 or 27.