Science

Science • Jun 30

‘Just in time for Canada Day’: Spacewalking astronauts repair space station’s huge Canadarm2

Expedition 74 flight engineers Chris Williams and Jessica Meir conducted a seven-hour spacewalk to replace a wrist joint on the International Space...

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Science • Jun 30

Scientists discover a completely different way to fight viruses

Researchers have uncovered an unexpected antiviral defense system in sea anemones that works very differently from the one humans use.

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Science • Jun 30

NASA Is Making a Fifth State of Matter in Orbit

The lab is about the size of a mini fridge, but it's tackling questions on a cosmic scale.

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Science • Jun 30

Inside Chernobyl, a Fungus Has Been Quietly Feasting on Radiation

The Chernobyl exclusion zone may be off-limits to humans, but that doesn't mean every form of life finds the conditions inhospitable.

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Science • Jun 30

Astronauts Repair Canadarm2 Robotic Arm and Complete Spacewalk

NASA astronauts Chris Williams and Jessica Meir concluded their spacewalk outside the International Space Station at 3:40 p.m. EDT. During the 7-hour,...

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Science • Jun 30

The universe is less uniform than we thought – cosmology may need a radical rethink

New telescopes are challenging the idea that the cosmic web fades into a uniform, directionless distribution. It may be closer to a tangled yarn than a...

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Science • Jun 30

NASA races to save aging Swift telescope from falling back to Earth with daring rescue mission

Scanning the cosmos since its launch in 2004, Swift has been sinking faster and faster because of recent intense solar activity. It needs to get to a higher...

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Science • Jun 30

NASA will conduct daring rescue mission to reposition telescope sinking into Earth's atmosphere

NASA officials and partners are trying to make history by repositioning the Swift telescope, which is actively sinking into Earth's atmosphere,...

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Science • Jun 30

NASA Awards More Moon Base Science, Previews New Opportunities

Editor's note: This release was updated on June 30, 2026, to clarify the engineering development version for the PROMISE rover.

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Science • Jun 30

NASA makes moves to dodge costly delays on its path to build a $30 billion moon base

Conceptualized just a few months ago, NASA's moon base plans are rolling out in earnest as the space agency maps out plans to deliver assets to the lunar...

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Science • Jun 30

NASA makes moves to dodge costly delays on its path to build a $30 billion moon base

Conceptualized just a few months ago, NASA's moon base plans are rolling out in earnest as the space agency maps out plans to deliver assets to the lunar...

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Science • Jun 30

When mountain lions began appearing more often on trail cameras at a small California nature preserve, coyotes and deer shifted away from nighttime activity, and the woody plants those deer used to eat increased sixty four fold

Jasper Ridge Biological Preserve, known by its Ohlone name 'Ootchamin 'Ooyakma, sits about 45 miles south of San Francisco in a patch of oak woodland and...

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Science • Jun 30

NASA astronauts repair robotic arm in 7-hour spacewalk

NASA astronauts Chris Williams and Jessica Meir undertake a critical spacewalk at the ISS to repair a malfunctioning robotic arm.

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Science • Jun 30

Mars may have once been filled with seas of magma that made the Red Planet habitable

Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission suggest.

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Science • Jun 30

Liquid water may be two different structures constantly swapping back and forth

A Nature Physics study used AI on 74 million simulated molecules to find evidence liquid water is a shifting mix of two structures.

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Science • Jun 30

Nearby 'Super Earth' may be a better candidate for life than previously thought

Using the Hobby-Eberly Telescope at McDonald Observatory, astronomers have taken a closer look at a nearby exoplanet and discovered it may be more...

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Science • Jun 30

The largest digital camera ever built begins decade-long survey of the universe

The largest digital camera ever built is beginning to capture images of unseen corners of the universe in finer detail. The Vera C.

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Science • Jun 30

Therapeutic inhibition of telomeric DNA damage response rescues hematopoietic dysfunction driven by telomere shortening and aging

Telomeres progressively shorten and accumulate damage with aging, and this contributes to cellular senescence and hematopoietic dysfunction.

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Science • Jun 30

Spacewalkers Continuing Canadarm2 Robotic Arm Repairs

Spacewalkers Chris Williams and Jessica Meir successfully removed the wrist joint that malfunctioned on May 27 during Canadarm2 robotic arm operations.

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Science • Jun 30

Scientists expected Pluto to be a frozen, ancient world scarred by billions of years of impacts. But when New Horizons finally arrived in 2015, it found something stranger: smooth young plains with almost no craters, signs of flowing nitrogen ice, possible ice vol

The spacecraft's flyby on July 14, 2015, made that picture look too simple. New Horizons did find craters, mountains and ancient terrain.

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