Astronomy

Staring up into the night sky, it's easy to be overwhelmed by the seemingly infinite expanse of space, with every pinprick of light in the vast canopy of darkness a star holding secrets forged by 13.8 billion years of the universe's existence. And yet, despite its great age and the unfathomable distance between us and even our nearest neighbor, through the study of astronomy we are able to understand more about the world beyond our atmosphere.
Join our expert writers and editors as we reveal the greatest mysteries in cosmology, such as how black holes form, and explore celestial bodies like exoplanets and nebulas, that are scattered throughout our universe. You will also discover how scientists are pushing the boundaries of space exploration using observatories like the James Webb Space Telescope with the latest astronomy news, features and articles.
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Auroras expected tonight and through the weekend as US braces from 'cannibal' solar eruption
By Brandon Specktor published
The last gasp of a "cannibal" coronal mass ejection that slammed Earth on Tuesday will bring lovely auroras to parts of the northern US and most of Canada tonight, with more northern lights displays on the way this weekend.

A moon of Uranus could have a hidden ocean, James Webb Space Telescope finds
By Robert Lea published
Astronomers using the James Webb Space Telescope have found that Ariel, a moon of Uranus, has some of the most carbon dioxide-rich deposits in the solar system, hinting at a buried water ocean.

9-mile-thick layer of solid diamonds may lurk beneath Mercury's surface, study hints
By Deepa Jain last updated
New simulations suggest that a 9-mile-thick layer of solid diamonds may lurk deep below the surface of Mercury. The gems almost certainly can't be mined for bling — but they may help solve some of the planet's biggest mysteries.

Runaway 'failed star' races through the cosmos at 1.2 million mph
By Robert Lea published
Citizen scientists have discovered what may be a brown dwarf racing through the cosmos at around 1.2 million miles per hour. Now astronomers want to know what launched it.

Jupiter's surreal clouds swirl in new van Gogh-esque view from NASA's Juno probe
By Samantha Mathewson published
Vivid clouds swirl across Jupiter's skies like colorful brushstrokes in a new photo from NASA's Juno spacecraft.

NASA Mars rover finds 'first compelling detection' of potential fossilized life on the Red Planet
By Ben Turner published
A peculiar leopard-spotted rock, found beside an ancient, dried-out river in Mars' Jezero crater, contains some tantalizing clues of ancient life, NASA said.

Perseid meteor shower 2024: What it is, where to see it, and how to watch
By Jamie Carter last updated
Everything you need to know about August's prolific display of "shooting stars."

The 1st week of August is a stargazer's delight. Here's why.
By Jamie Carter published
With its moonless sky, the first week of August is one of the best times all year to see the Milky Way and meteor showers without a telescope. Here's how to be in the right place at the right time for the best view.

Space photo of the week: A cosmic 'fossil' holding some of the oldest stars in the universe
By Jamie Carter published
The Hubble Space Telescope zooms in on a dense ball of millions of stars within a galaxy orbiting the Milky Way. Its ancient origins raise big questions about how galaxies form and grow.
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