Watch the stars and from them learn. To the Master's honor all must turn, Each in its track, without a sound, Forever tracing Newton's ground

— Albert Einstein

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Updated: 7 hours 19 min ago

Summer solstice 2025 is here! Today marks the longest day of the year for the Northern Hemisphere

Fri, 06/20/2025 - 12:00pm
The 2025 summer solstice takes place on June 20, heralding the onset of astronomical summer and the longest day of the year.
Categories: Astronomy

Satellite streaks block out the Arctic sky | Space photo of the day for June 20, 2025

Fri, 06/20/2025 - 11:00am
Researchers created a satellite tracking system to track satellite streaks across the Arctic for the first time ever.
Categories: Astronomy

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