Astronomy

Astronomy

The mystery of Christiaan Huygens’ flawed telescopes may have been solved

The discovery of Saturn’s largest moon, Titan, may have come despite its discoverer, Christiaan Huygens, needing eyeglasses.

Astronomy

A runaway black hole has been spotted fleeing a distant galaxy

A bright streak stretching away from a remote galaxy might be the light from stolen gas and new stars caught in the wake of an escaping black hole.

Astronomy

Newborn stars sculpt their galaxies in new James Webb telescope images

Dark voids riddle the galaxies’ faces, highlighting previously invisible details about how new stars alter their locales.

Cosmology

Astronomers spotted shock waves shaking the web of the universe for the first time

Studying these elusive shock waves could give scientists a better look at the mysterious magnetic fields that permeate the cosmic web.

Astronomy

Half of all active satellites are now from SpaceX. Here’s why that may be a problem

Of the roughly 7,300 active satellites in Earth orbit, about 3,600 are part of SpaceX’s growing fleet of Starlink internet satellites.

Astronomy

The Milky Way may be spawning many more stars than astronomers had thought

Glowing radioactive debris from massive stars indicates our galaxy mints 10 to 20 new stars a year — double to quadruple the standard number.

Astronomy

The James Webb telescope found six galaxies that may be too hefty for their age

The galaxies formed in the universe’s first 700 million years and may be up to 100 times more massive than predicted.

Astronomy

The James Webb telescope spotted the earliest known ‘quenched’ galaxy

A galaxy dubbed GS-9209 ceased forming stars more than 12.5 billion years ago after a 200-million-year-long sprint.

Astronomy

The Kuiper Belt’s dwarf planet Quaoar hosts an impossible ring

Quaoar’s ring lies outside the Roche limit, an imaginary line beyond which rings aren’t thought to be stable.

Astronomy

Lots of Tatooine-like planets around binary stars may be habitable

A new simulation suggests that planets orbiting a pair of stars may be plentiful, and many of those worlds could be suitable for life.

Astronomy

New data show how quickly light pollution is obscuring the night sky

Tens of thousands of observations from citizen scientists spanning a decade show that the night sky is getting about 10 percent brighter every year.

Astronomy

The James Webb telescope found ‘Green Pea’ galaxies in the early universe

The James Webb telescope spotted tiny “green” galaxies that might have helped trigger a dramatic cosmic makeover more than 13 billion years ago.