“What happens when a comet comes from another star system and refuses to follow the ‘usual’ rules of comet behavior?” The ...

The new Dobsonian telescope and free astronomy courses will help residents chart galaxies and their own cosmic curiosity ...

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...

3D printing your own telescope is rewarding and customizable, but it rarely saves money once optics, materials, and time are ...

PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built ...

Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective door off the iconic white dome at Lick Observatory. Now, with back-to-back ...

In order for NASA to study the mysteries of the universe, the scientists there need to be able to look out into the cosmos. The Hubble Space Telescope did this for a time, giving humanity some ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A dramatic rise in the number of internet satellites ...

A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly. The National Science Foundation's NoirLab released the picture Wednesday. Snapped last month by the ...

Launched by NASA in 2009, the Kepler space telescope was outfitted with equipment to discover and study Earth-sized planets in the Milky Way galaxy. It was named after the 17th century scientist and ...