Physicists at the Cubic Kilometre Neutrino Telescope Initiative, KM3NeT, built a cathedral of glass spheres that listens for ...

According to the theory, our reality is encoded on the boundary of a black hole within a much larger universe.

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

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NASA’s Hubble Space Telescope spotted the glowing remains of two space rocks crashing together in a nearby planetary system, ...

On a purely visual level — looking at color, form, texture, materials — Todd Siler’s paintings, currently on display at the ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever ...

Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...

Astronomers have discovered a bizarre carbon-rich planet orbiting a neutron star, PSR J2322-2650b, with soot clouds and ...