universe

Latest about universe

colorful swirls and starburst shapes on a black background
How AI is revealing the universe's original 'settings'

By Briley Lewis Published

Astronomers used artificial intelligence to calculate the five cosmological parameters that describe the entire universe in computer simulations with unprecedented precision.

Astronomy
illustration of a blazar shows a bright jet of light in the very center of a scene of swirling orange, gray and purple bands.
What are blazars?

By Elizabeth Fernandez Published

Reference Discover the fascinating world of blazars: their discovery, formation, and the science behind these energetic cosmic phenomena.

Reference
a bright point of light shoots thin beams of light in the cardinal directions. It is surrounded by a wispy mass of gaseous nebula and the starry blackness of space.
The unexpected behavior of pulsing stars could help us measure the universe

By Samantha Mathewson Published

New research offers the most precise measurements yet of pulsating Cepheid stars, which may hold clues about the immense size and scale of our universe.

Astronomy
a swath of pink gas stretches across a span of stars in space.
Cosmic 'koi fish' swims through starry sea in stunning telescope photo

By Samantha Mathewson Published

The Gum 3 nebula, which resembles a swimming koi fish, is captured in a stunning new photo from the European Southern Observatory's VLT Survey Telescope.

Stars
a whirlwind of blue gasses and bright spots wisp through space
James Webb Space Telescope spots 3 of our universe's earliest galaxies

By Sharmila Kuthunur Published

The James Webb Space Telescope has found three of the universe's earliest galaxies, and they could reveal a lot about galactic dynamics. Here's how.

James Webb Space Telescope
a big ole galaxy with a handful of thin light streams jetting in various directions
Mysterious dark matter may leave clues in 'strings of pearls' trailing our galaxy

By Sharmila Kuthunur Published

Starting in late 2025, the Vera C. Rubin observatory will image the outskirts of our galaxy in search of dark matter clues.

Dark Universe
A simulation of dark energy in the universe obtained using AI
Dark energy remains a mystery. Maybe AI can help crack the code

By Robert Lea Published

Dark energy has humans stumped. The force is sometimes even labeled "the worst prediction in the history of physics." Can AI do any better?

Astronomy
a colorful whirlpool swirls in space
What is the big rip, and can we stop it?

By Paul Sutter Published

Space mysteries Imagine a future where the universe, all too soon, tears itself apart. Eventually, space-time is torn asunder, rendering the universe uninhabitable.

Space mysteries
a ginormous mass of swirling gasses and stars smear wisps of pink and deep red hued with blues along the edge within the black of space. at the center, like an eye, a bright mass burns.
NASA's new UVEX mission will explore the ultraviolet universe

By Andrew Jones Published

NASA's UltraViolet EXplorer (UVEX) spacecraft will launch in 2030 to conduct an all-sky survey in ultraviolet light to bring new understanding of how stars and galaxies evolve.

Missions
An image of Stephan's Quintet taken by the James Webb Space Telescope.
James Webb Space Telescope could target tiny bright galaxies to shine light on dark matter

By Robert Lea Published

The James Webb Space Telescope could target tiny and bright galaxies in the early universe to unveil some secrets about the universe's most mysterious stuff, dark matter.

Galaxies
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