Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of carbon monoxide gas from it's solid icy core.

Here’s what to look for in the July night sky. The globular cluster Messier 22 (M22) reaches its highest point in the sky ...

The Webb Telescope found two young planets forming sand clouds in the YSES‑1 system, revealing unprecedented details about ...

For the first time since its launch on Christmas Day 2021, the James Webb Space Telescope has discovered a new exoplanet, TWA ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine ...

Computer simulations show that planets could be flung out of the inner solar system, supporting the possible existence of a ...

Astronomers using the James Webb Space Telescope have peered into a mysterious, blue haze cloaking the surface of Pluto — and ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.