Make sure your angles are in units of radians (not degrees), where 2π radians = 360 degrees. But after that you will get the ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

(THE CONVERSATION) In the middle of a chilly October night in 2025, my two friends and I suited up at the Cottonwood Creek trailhead and started a trek into the Sangre de Cristo mountains of Colorado.

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to be true. Space is stretching faster today than in the past, and the precise ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

A deep exploration of how entropy, information theory, quantum mechanics, and emergent gravity reshape our understanding of ...

Currently, the apartment buildings can be built anywhere within a half-mile of a Staten Island Railway station.

Safety applications: Detection of proximity to machines and systems ...