North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern hemisphere.

Earth exists in a rare galactic sweet spot where distance from the Sun, location in the Milky Way, and cosmic stability all ...

Veteran NASA astronaut Don Pettit has released a breathtaking photograph of the Milky Way captured during his latest mission aboard the International Space Station, offering one of the clearest views ...

As new observations reveal the edges of IC 1101 for the first time, they allow scientists to confirm it is the largest known galaxy.

The Perseid Meteor Shower occurs on the night of Aug. 12-13, when Earth passes through the debris of Comet Swift-Tuttle. A new moon will help to see the meteors.

The image is the result of months of orbital photography, specialised camera equipment and an ingenious solution that ...

In this edition of WTOP’s “Eyes to the Skies,” partial eclipses of the sun and moon will take place in the month of August.

Scientists have identified LHAASO J1912+1014u as a cosmic accelerator that can push protons beyond one quadrillion electron volts. The finding may help reveal where the Milky Way’s most energetic ...

So to detect dark matter, you just have to show that the speed at which material orbits the center of the galaxy doesn’t fall ...

At the center of the galaxy cluster Abell 2029 sits an enormous galaxy shaped somewhere between an ellipse and a spiral. Its ...

August turns Arizona’s dark sky parks into stellar escapes filled with brilliant constellations, meteor showers, and sweeping ...

A new study using data from NASA’s Hubble Space Telescope finds that star formation in the nearby Andromeda galaxy has ...