Astronomy

Latest about Astronomy

The 3I/Atlas comet brightening by an unexpected about as it approaches the sun

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled

By Robert Lea published

"The reason for 3I’s rapid brightening, which far exceeds the brightening rate of most Oort cloud comets at similar distances, remains unclear."

Comets
A still showing the eye of Hurricane Melissa subdivided into smaller holes in swirling white clouds

Satellite images show 'mesovortices' forming around the eye of deadly Hurricane Melissa

By Elizabeth Howell published

Footage from a NOAA satellite taken Oct. 28 shows Melissa’s deadly spin as it moves across the Caribbean.

Earth
Portion of the GLEAM/GLEAM-X view of the Milky Way galaxy.

Explore the Milky Way like never before in this stunning new color map (image)

By Samantha Mathewson published

Astronomers have unveiled the largest low-frequency radio color image of the Milky Way ever created, offering a sprawling, interactive cosmic panorama with unprecedented detail.

Astronomy
Gray clouds and a dark landscape sandwich a band of bright orange dusky sky during sunset

Halloween colors come to Kitt Peak Observatory | Space photo of the day for Oct. 31, 2025

By Kenna Hughes-Castleberry published

For Halloween, our space photo of the day shows a brilliant orange sunset over Kitt Peak Observatory in Arizona.

Astronomy
An artist's illustration of the Halloween Asteroid 2015 TB145, which looks much like a skull from certain angles. The asteroid flew harmlessly by Earth on Oct. 31, 2015 and will return in November 2018.

On this day in space! Oct. 31, 2015: Skull-shaped Halloween asteroid flies by Earth

By Hanneke Weitering last updated

On October 31, 2015, an asteroid shaped like a human skull flew by Earth. It arrived with excellent timing on Halloween, which made the already-creepy asteroid even creepier.

Asteroids

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
a cloud of colorful gas on a black background

'Anti-social' cosmic explosion could change the way we think about dying stars and supernovas

By Robert Lea published

"Our scenario describes all the evolutionary phases of the supernova with great precision."

Astronomy
A large planetary nebula. The nebula’s central star is hidden by a blotchy pinkish cloud of dust. A strong red light radiates from this area, illuminating the nearby dust. Two large loops extend diagonally away from the centre, formed of thin ridges of molecular gas, here coloured blue. They stretch out to the corners of the view. A huge number of bright, whitish stars cover the background, also easily visible through the thin dust layers.

James Webb Space Telescope spots the haunting Red Spider Nebula with 3-light-year-long legs

By Monisha Ravisetti published

A new James Webb Space Telescope image showcases the gorgeous Red Spider Nebula against a backdrop of twinkling stars.

James Webb Space Telescope

November full moon 2025: The Beaver supermoon will be the biggest and brightest of the year

By Jesse Emspak last updated

November's full Beaver Moon will occur on Nov. 5 and will be the biggest and brightest moon of 2025.

The moon
A photo of a hurricane from space, showing spots of blue ocean beneath heavily swirling white clouds

Peering into the eye of Hurricane Melissa | Space photo of the day for Oct. 30, 2025

By Kenna Hughes-Castleberry published

Europe's Copernicus Sentinel-2 satellite captured high-resolution views inside the eye of the powerful Hurricane Melissa.

Earth
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