The forces of rotation caused red hot masses of stones to be torn away from the Earth and to be thrown into the ether, and this is the origin of the stars.

— Anaxagoras 428 BC

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Updated: 4 hours 2 min ago

Blue Origin launch of 6 people to suborbital space delayed again due to weather

Fri, 06/20/2025 - 10:00am
Jeff Bezos' Blue Origin plans to launch six people to suborbital space on the NS-33 mission are on hold due to local weather conditions in West Texas.
Categories: Astronomy

Space law doesn't protect historical sites, mining operations and bases on the moon – a space lawyer describes a framework that could

Fri, 06/20/2025 - 9:00am
The moon is a key step in the journey of space exploration, but making it habitable brings up lots of questions around space law and policy
Categories: Astronomy

Powerful X-class solar flare erupts from sun, knocking out radio signals across the Pacific (video)

Fri, 06/20/2025 - 7:51am
Sunspot region 4114 has done it again! This time unleashing a colossal X1.9 solar flare.
Categories: Astronomy

James Webb Space Telescope discovers planets forming in space's most punishing environments

Fri, 06/20/2025 - 6:00am
James Webb Space Telescope finds exoplanets in extreme environments that could potentially be habitable.
Categories: Astronomy

High winds scrub Rocket Lab's planned launch of a secret satellite to orbit

Fri, 06/20/2025 - 2:19am
Rocket Lab planned to launch a satellite for a confidential customer early Friday morning (June 20), but Mother Nature didn't cooperate.
Categories: Astronomy

Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to some telescopes

Thu, 06/19/2025 - 6:00pm
For centuries Mars has been called "the Red Planet" and there's a scientific reason why.
Categories: Astronomy

New technique promises clearer, more frequent views of black holes

Thu, 06/19/2025 - 5:00pm
A powerful new technique is poised to revolutionize how astronomers observe black holes, by producing sharp, multicolored images that could reveal their dynamic evolution in real time.
Categories: Astronomy

Summer solstice 2025 brings changing seasons to Earth on June 20

Thu, 06/19/2025 - 3:00pm
The sun will reach its most northern point on June 20, marking the start of the summer season in the Northern Hemisphere.
Categories: Astronomy

Lego Marvel Team Spidey Web Spinner Headquarters review

Thu, 06/19/2025 - 2:00pm
This 4+ Lego set is colorful and fun, ideal for young Marvel fans looking for an early introduction to building Lego.
Categories: Astronomy

Dress rehearsal for Artemis 2 | Space photo of the day for June 19, 2025

Thu, 06/19/2025 - 12:00pm
NASA and the Department of Defense practice recovery procedures for an abort scenario in the upcoming Artemis 2 mission.
Categories: Astronomy

Meet the crew of Blue Origin's NS-33 tourism launch to the edge of space

Thu, 06/19/2025 - 11:00am
Blue Origin's next suborbital flight is scheduled to launch on Saturday (June 21), carrying a private crew of six.
Categories: Astronomy

Tiny galaxies may have helped our universe out of its dark ages, JWST finds

Thu, 06/19/2025 - 10:00am
"These small galaxies punch well above their weight."
Categories: Astronomy

Astronomers discover the largest comet from the outskirts of the solar system is exploding with jets of gas

Thu, 06/19/2025 - 9:00am
The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most distant that is chemically active.
Categories: Astronomy

Northern lights may be visible in these 9 US States tonight

Thu, 06/19/2025 - 8:48am
Auroras may be visible from Alaska to New Hampshire as geomagnetic activity remains unsettled.
Categories: Astronomy

'The models were right!' Astronomers locate universe's 'missing' matter in the largest cosmic structures

Thu, 06/19/2025 - 6:00am
Using the XMM-Newton telescope, astronomers have discovered a vast 23 million light-year-wide tendril connecting galactic clusters and containing much of the universe's missing matter.
Categories: Astronomy

SpaceX's Starship explodes in Texas during preparations for 10th test flight

Thu, 06/19/2025 - 3:08am
SpaceX's newest Starship vehicle exploded on a stand in Texas late Wednesday night (June 18), as it was being prepped for the program's 10th-ever test flight.
Categories: Astronomy

See the moon rise alongside the giant planets Neptune and Saturn predawn on June 19

Wed, 06/18/2025 - 5:00pm
The alignment occurs hours after the moon hits its third quarter phase.
Categories: Astronomy

2 Chinese spacecraft just met up 22,000 miles above Earth. What were they doing?

Wed, 06/18/2025 - 4:00pm
A new Chinese refueling spacecraft met up with an older satellite in high Earth orbit this month, apparently marking a step forward in orbital servicing.
Categories: Astronomy

Mars joins the Spring Triangle this week: Here’s when and how to see it

Wed, 06/18/2025 - 3:00pm
Mars will remain in the Spring Triangle until mid-September.
Categories: Astronomy

Watch Honda launch (and land) its 1st reusable rocket in this wild video

Wed, 06/18/2025 - 2:00pm
The Japanese automaker Honda just hit a key milestone in rocket reusability with a near-bullseye landing during a vertical test flight in Hokkaido.
Categories: Astronomy