There are many worlds and many systems of Universes existing all at the same time, all of them perishable.

— Anaximander 546 BC

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Updated: 2 hours 47 min ago

James Gunn's sci-fi movies ranked, worst to best

Thu, 07/03/2025 - 2:23pm
With Superman on its way, we take a look at director James Gunn's incredible slate of sci-fi movies to date.
Categories: Astronomy

Best Fujifilm lenses in 2025: Level up your Fujifilm camera this Amazon Prime Day

Thu, 07/03/2025 - 2:00pm
Want to make the most of your Fujifilm camera? We've rounded up the best Fujifilm lenses, now with expected savings on Amazon Prime Day this July 8.
Categories: Astronomy

See the bright star Spica close to the waxing gibbous moon on July 3

Thu, 07/03/2025 - 1:23pm
Spica is a binary star system that orbits over 250 light-years from Earth within the Milky Way.
Categories: Astronomy

Best Fujifilm cameras 2025: Save big on these models this Amazon Prime Day.

Thu, 07/03/2025 - 1:00pm
These are the best Fujifilm cameras from beginner to professional grade, with some models potentially falling in price on Amazon Prime Day from July 8 to 11.
Categories: Astronomy

Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields

Thu, 07/03/2025 - 12:00pm
Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields
Categories: Astronomy

How to see China's Tiangong space station and the ISS in the predawn sky this week

Thu, 07/03/2025 - 11:00am
The International Space Station and China's Tiangong Space Station will be visible for early risers. Here's how to make a dual sighting.
Categories: Astronomy

'An exceedingly rare event': See a pair of nova explosions shining in the southern sky this week.

Thu, 07/03/2025 - 10:35am
Both novas will eventually become too dim to see, even under the darkest skies. So catch them while you can!
Categories: Astronomy

Rare breed of exploding star discovered by citizen scientists in cataclysmic find

Thu, 07/03/2025 - 10:00am
With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.
Categories: Astronomy

Early Amazon Prime Day big saving on the Celestron NexStar 8SE — the cheapest price it's been since January

Thu, 07/03/2025 - 9:39am
Save $200 on the best telescope for viewing the planets — the Celestron NexStar 8SE has a huge discount this Prime Day
Categories: Astronomy

See Vega-C rocket's 3rd stage hoisted for upcoming launch | Space photo of the day for July 3, 2025

Thu, 07/03/2025 - 9:13am
The Zefiro-9 was hoisted in preparation for the Vega-C flight VV27.
Categories: Astronomy

Russia launches Progress 92 cargo ship toward the ISS

Thu, 07/03/2025 - 8:00am
A Russian Progress cargo spacecraft launched toward the International Space Station this afternoon (July 3), hauling several tons of cargo to the orbiting lab.
Categories: Astronomy

The best Fourth of July and early Amazon Prime Day space tech deals on the market

Thu, 07/03/2025 - 7:44am
These are our picks of the best space tech deals you can get ahead of Fourth of July and Amazon Prime Day with offers on telescopes, star projectors and more.
Categories: Astronomy

New interstellar comet 3I/ATLAS is hurtling through the solar system — and you can watch it live online today

Thu, 07/03/2025 - 6:34am
3I/ATLAS is the third-ever interstellar object discovered.
Categories: Astronomy

Earth is farthest from the sun today. So why is it so hot?

Thu, 07/03/2025 - 6:00am
Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.?
Categories: Astronomy

See Mercury at greatest elongation, its farthest from the sun in the evening sky this week

Wed, 07/02/2025 - 6:00pm
The rocky world will be visible for a brief window after sunset.
Categories: Astronomy

'52 Assignments: Night Photography': A Q&A with author and astrophotographer Josh Dury

Wed, 07/02/2025 - 5:00pm
"…are we potentially the last generation that will see the night's sky in its entirety?"
Categories: Astronomy

Hubble Telescope finds stellar nursery in Taurus Molecular Cloud | Space photo of the day for July 2, 2025

Wed, 07/02/2025 - 3:23pm
The space telescope spied three young stars in the nebula.
Categories: Astronomy

A newly forming ocean may split Africa apart, scientists say

Wed, 07/02/2025 - 3:00pm
A plume of molten rock deep beneath eastern Africa is pulsing upward in rhythmic surges, slowly splitting the continent and potentially marking the birth of a new ocean, a new study reports.
Categories: Astronomy

Climate satellite MethaneSAT backed by Bezos and Google fails in space after just 1 year

Wed, 07/02/2025 - 12:35pm
MethaneSAT, the first satellite made by an environmental nonprofit organization, was designed to monitor some of the world's largest industrial contributors of greenhouse gas emissions. Now, without power, the spacecraft's mission has abruptly ended.
Categories: Astronomy

The secret of why Mars grew cold and dry may be locked away in its rocks

Wed, 07/02/2025 - 12:00pm
As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked up in rocks.
Categories: Astronomy