The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

Water may have first appeared in the universe just a couple hundred million years after the Big Bang, making it much older than previously thought. It could also mean that life evolved billions of ...

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just ...

The flash was spotted on March 14 by a French-Chinese space telescope called SVOM, which launched last year on a mission to track gamma-ray bursts, the brightest and most powerful explosions in the ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

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 ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...

As a cold pour hits the glass at The Sycamore in the Mission District, chatter rises, lights dim slightly, and Astronomy on Tap eases into motion, blending a little stargazing spirit with a laid-back ...