Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

Simone Bellotti isn’t spilling secrets ahead of his Jil Sander debut at Milan Fashion Week this September—but he is setting ...

Astronomer and Solar System Ambassador Walter Albrecht will present a talk on exploring Mars at the New Lebanon Library on ...

Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources ...

Behold! The 2025 ZWO Astronomy Photographer of the Year Awards shortlist has been released, showcasing a spectacular array of astrophotography images ranging from solar prominences and auroras to ...

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The most powerful telescope ever launched into space uncovered a cluster of forming stars within the "toe beans" of the Cat's ...

Cones outnumber rods only in the center of the retina, which is the area of greatest density. It is also the area most heavily used by daytime, direct vision. But rods do fire during the day, ...

Get our best smart telescope for $2199 in this hot anti-Prime Day deal but move quickly because it must end on July 13.

On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...