Emma Chapman's "The Echoing Universe" is a vivid survey of the hidden parts of the cosmos and those who seek them out.

Searing across the night sky, a meteor puts on a spectacular show above Arizona's Kitt Peak National Observatory.

As our galaxy enters its “core season,” national parks, state parks, and more are bringing out the big telescopes to open ...

The manifesto leaned heavily on Isaac Newton’s theories in making a case for independence, and fellow founders drew on the ...

Occasionally I see references in Astronomy to the speed of something as "supersonic." I'm having trouble reconciling this ...

Looking for a sky event this week? Check out our full Sky This Week column. June 5: Check in on Mars Look east around 11 P.M.

With the beginning of June 2026, the heatwave in North India has begun to unleash its fiercest form. It's generally believed ...

The new view captures an irregularity in how stars are distributed within NGC 6397.

Over 60 hours of light data was used to create this stunning view of the gravitationally bound "Leo Triplet" galaxies.

Boise nights are getting shorter in June, but they’re still filled with dazzling celestial sights. A planet parade, meteor ...

Standing some 50° high in the south by 10 P.M. local daylight time, M5 is a fabulous globular cluster well within the reach of any instrument, from binoculars to telescopes. It is even visible to some ...

One of the most fantastical claims SpaceX is making during the countdown to its IPO is that it is helping create one of the ...