Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

"Most planetary systems appear as 'peas in a pod.' This is not the case in the TOI-201 system." ...

Finding planets used to be a painstaking business. Astronomers would fix their gaze on a handful of carefully chosen stars, ...

On Tuesday, NASA invited the press to look at the fully assembled Nancy Grace Roman Space Telescope, which is now ready to ...

The Nancy Grace Roman Space Telescope, named after NASA’s first chief astronomer, is now complete after more than a decade of development.

Get a first look at the completed observatory.

I watched Armageddon again fairly recently with Bruce Willis, oil drillers in space and an asteroid the size of Texas bearing ...

The 2026 Breakthrough Prize honored advances in dark matter, quantum physics, gene editing and nonlinear mathematics.

Chicago Public Schools’ Healthy Green Schools Pilot Program will spend $10 million for clean energy projects across the ...

Two UC Berkeley faculty, a UCLA physicist and a UC Santa Barbara Nobel laureate were awarded Breakthrough Foundation prizes ...