Astronomers hypothesize that a long-ago dwarf galaxy dubbed Loki may have merged with the Milky Way when our galaxy was in ...

Catch some shooting stars, get in a glimpse of the fading Comet Tsuchinshan-ATLAS, and see Venus mingle with Antares in the ...

The best comet of the year is starting to fade in brightness, but it’s still an easy naked-eye object in the evening sky.

Our planet’s surface is littered with debris from the skies — and researchers have found that most come from only a few ...

Crew during the five-day mission pulled off several feats — including the first private spacewalk — that could open new ...

The company successfully caught its Super Heavy booster with a pair of metal “chopsticks,” the first time such a maneuver has ...

The spacecraft succeeded where many had failed, peering Venus’ suffocating clouds to showing us the planet’s face for the ...

Euclid scans the cosmos in visible and near-infrared light, including an infrared spectrometer, which allows it to measure ...

We bring you the 35 best new and unique astronomy products for newbie and veteran hobbyists alike this gift-giving season.

NASA’s newest scientific flagship is on its way to the Jupiter system to explore the icy moon Europa, one of the most compelling worlds in our solar system. The mission lifted off Oct. 14 from ...

Most distant galaxies and nebulae won’t appear colorful in a telescope — but double stars and planetary nebulae will.