Science

Science • Jun 26

How to See the Giant Asteroid That Will Pass by Earth This Weekend

The European Space Agency (ESA) confirmed that this weekend, asteroid (152637) 1997 NC1 will make its closest approach to Earth in 400 years.

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Science • Jun 26

Look What NASA’s Mars Reconnaissance Orbiter Just Spotted Lurking in the Red Planet’s Arbot Hills

A tiny green dot in an image taken by NASA's Mars Reconnaissance Orbiter captures a historic tale of Red Planet exploration.

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Science • Jun 26

The James Webb Space Telescope found a spiral galaxy, nicknamed the Big Wheel, that existed just two billion years after the Big Bang — five times more massive than the Milky Way, with a spiral structure our models say couldn't have survived that early

The James Webb Space Telescope has made the early universe look less simple again. In a field originally chosen because of a bright quasar,...

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Science • Jun 26

China plans to double the size of its Tiangong space station while the ISS nears its end

China plans to add three new modules to Tiangong along with a co-orbiting space telescope, as the ISS heads for a Pacific splashdown.

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Science • Jun 26

Partners, NASA Ready for June Launch of Swift Boost Mission

A mission to raise the orbit of NASA's Swift observatory is poised for launch June 30.

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Science • Jun 26

The Roman Space Telescope has the same size mirror as Hubble, but it will survey the sky up to 1,000 times faster — not because it sees deeper, but because it sees wider: each Roman image captures a patch of sky at least 100 times larger, making Hubble’s

Roman uses a Hubble-size mirror, but its Wide Field Instrument captures far more sky per exposure, allowing surveys up to 1000 times faster.

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Science • Jun 26

Ars Live: What’s the latest in the aftermath of the New Glenn catastrophe?

Join us on the livestream at 1 pm ET and ask questions about the aftermath of New Glenn.

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Science • Jun 26

China's top-secret 'dragon' space plane just released another unidentified object over Earth

China's top-secret space plane just released another unknown object over Earth, raising concerns about exactly what the mysterious vehicle is up to.

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Science • Jun 26

The strawberry moon will soon rise. When to look up.

Be prepared Monday night, when the first full moon of summer will rise at 8:53 p.m. local time in Washington, 8:24 p.m. in Miami, 8:49 p.m. in Chicago and...

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Science • Jun 26

NASA Identifies More Than 40 Space Technologies for Collaboration

NASA selected 41 proposals from 37 companies to advance technologies in support of the agency's goals to establish a long-term presence on the Moon and...

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Science • Jun 26

Watch a 'Potentially hazardous asteroid' the size of a skyscraper close in on Earth live online tonight

A giant asteroid roughly the size of a skyscraper will pass within seven lunar distances of Earth on June 27. Here's how to watch the rare flyby during two...

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Science • Jun 26

Feedbacks upon feedbacks: Rock weathering and the climate

Rock weathering may release or draw down carbon dioxide—it depends on the rock.

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Science • Jun 26

Artist Attaches Game Boy Camera to Space Telescope and Takes Photo of Jupiter

A Game Boy enthusiast took the console to Mount Wilson Observatory in Los Angeles and attached it to an enormous 60-inch telescope.

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Science • Jun 26

NASA’s PACE Mission Studies Smoke, Fires

With the North American fire season underway, and a record number of acres already burned nationwide, NASA's Plankton, Aerosol, Cloud, and ocean Ecosystem.

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Science • Jun 26

Neon green auroras from space will take your breath away photo of the day for June 26, 2026

If you've ever seen auroras in the night sky, then you are one of the lucky few who has enjoyed a view of one of nature's most colorful and spectacular...

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Science • Jun 26

NASA Rover Finds “Complex Organic Matter” on Mars

After more than five years of roaming the desolate and dusty landscapes of the Martian surface, NASA's Perseverance rover has come across some of the most...

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Science • Jun 26

Ghost particle could have traveled 11 billion light-years to reach Earth

A distant star-forming galaxy nicknamed the “Shadow Blaster” could have sent a ghostly cosmic particle hurtling toward Earth. Astronomers believe they have...

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Science • Jun 26

A single origin story for the Milky Way's most mysterious stars

Lurking at the heart of the Milky Way, Sagittarius A* (Sgr A*) is a supermassive black hole four million times the mass of the sun, surrounded by a puzzling...

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Science • Jun 26

NASA's canceled Artemis hardware contracts reached $5.9 billion, audit finds

A memo issued by NASA's Office of Inspector General highlights huge cost increases and extended timelines for Artemis program hardware that has since been...

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Science • Jun 26

The US and China are planning moon bases: Designs may cut construction waste and improve life on Earth

The NASA Artemis program, now supported by 67 countries under the Artemis Accords, plans to return humans to the moon by 2028.

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