Jupiter's moon Europa generates enough oxygen to keep a million people alive for a day, NASA says

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illustration of Europa
This illustration of Europa shows how its icy surface may shine even on its night side, because Jupiter is constantly bombarding it with radiation.

NASA / JPL-Caltech

UK startup launches AI satellite to provide near real-time images of Earth

TNW News

NASA had an ambitious $2 billion plan to refuel satellites in orbit using robotic arms. A decade later, it's in shambles.

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NASA carried out a test of the OSAM-1 in February 2023.
NASA carried out a test of the OSAM-1 in February 2023.

NASA

SpaceX launched a satellite that Google will use to map methane leaks for all to see by the end of this year

Tech Insider : Technology
satellite against backdrop of space
MethaneSAT is the first of a new wave of satellites designed to pinpoint sources of methane emissions.

MethaneSAT / Environmental Defense Fund

A dead Russian spacecraft almost collided with a NASA satellite. The crash could have sent 7,500 bits of debris rocketing around Earth.

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Simulated image of a satellite collision in space
A simulated image of a satellite collision and the resulting debris.

ESA / ID&Sense / ONiRiXEL, CC BY-SA 3.0 IGO

North Korea's twice-failed spy satellite is now up and running, aerospace experts say

Tech Insider : Politics
A rocket is seen mid-launch, with flame and a cloud of smoke at its base, and two pylons either side against a dark background.

Space photos from 5 recent moon-landing missions show how tiny engineering errors can cause big problems, like crashing or landing sideways

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gold moon lander upside down on grey lunar surface beside image of a new crater on the moon with white disturbed regolith around it
While Japan's moon-landing error caused its robot to land upside-down (left), Israeli nonprofit SpaceIL's error caused its lander to crash (right).

JAXA/Takara Tomy/Sony Group Corporation/Doshisha University; NASA/GSFC/Arizona State University; Business Insider

This animation shows why leap years are necessary. Without them, December would eventually drift into summer.

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earth in space with swirling clouds green and brown continents overlaid with giant calendar illustration showing February 29
Leap Day is coming up and its purpose is to keep our seasons in check.

Norman Kuring/NASA/GSFC/Suomi NPP; bgblue; Business Insider

45 years ago, NASA's Voyager spacecraft flew past Jupiter. See how the iconic video compares to photos of the planet today.

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Side by side of jupiter
Jupiter as seen by Voyager 1 (left) is far less detailed than this enhanced imaged of Jupiter captured by Juno.

NASA / JPL; NASA/JPL-Caltech/SwRI/MSSS/Rita Najm © (CC BY)

The first private company just landed on the moon. Here's how they did it.

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A Houston company made history by successfully landing the first commercial US spacecraft on the moon, more than 50 years after the US made its last crewed landing.

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