Although the repeating cycle of sunspots was first seen in the mid-18th century, the fact that the Sun went through cycles ...

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

The galaxy LEDA 1313424 has been nicknamed the Bullseye Galaxy, thanks to the nine rings that circle its bright center.

Saturn’s two-toned moon reaches its greatest western elongation, when it shines brightest far west of the ringed planet.

ESA has just released the first-ever images taken of the Sun's south pole, as seen this year by the Solar Orbiter spacecraft.

As June brings us the summer solstice, these new products will help you get the most from warmer nights spent at the ...

A cloud of energetic gas lit up by a collision of galaxies spans nearly 20 million light-years, leading astronomers to ...

June’s Full Moon is also called the Strawberry Moon, but don’t let the name fool you — it won’t be turning pink in the sky!

This week’s launches include Axiom 4, a historic crewed mission to the ISS, plus multiple satellite deployments from SpaceX ...

Here’s an oddball open star cluster I bet you’ve never seen — it’s catalogued as Pismis-Moreno 1. Lying at a high declination ...

Polaris, which lies roughly 430 light-years from Earth, marks the end of the Little Dipper’s handle. Alternatively, it’s the ...

Earth’s companion has allowed astronomers to define lunar cycles, navigate without technology, and understand celestial ...