New images show an interstellar comet that will soon make its closest approach to Earth

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

How should we deal with space junk? Space recycling, of course

Junk is accumulating in space at a fantastic pace, with millions of pieces orbiting the Earth, and humans need to figure out a way to deal with it.

Voyager 1 will reach one light-day from Earth in 2026. Here’s what that means

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.
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SpaceX delays launch of daring Polaris Dawn excursion into Earth’s radiation belts

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. SpaceX has once ...
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A plan written by Trump’s NASA pick was leaked. Here’s what to know about ‘Project Athena’

A 62-page document written by President Donald Trump’s on-again-off-again pick to run NASA, billionaire Jared Isaacman, outlines a sweeping, ambitious, and at times controversial plan for the space ...
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‘A giant leap’: Why a tech billionaire’s climb outside a spacecraft was so historic

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA has been ...

Chinese reusable booster explodes during first orbital test, in failed bid to catch SpaceX

A private Chinese space firm successfully sent its Zhuque-3 rocket to orbit but failed in its historic attempt to re-land the rocket booster Wednesday – the first such trial by a Chinese firm as the ...
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NASA delays SpaceX astronaut mission as rumors swirl about Boeing Starliner’s safety

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The launch of ...
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NASA astronauts on readjusting to life on Earth: ‘It’s hard to sit’

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Three of the ...
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NASA astronauts speak out for the first time following unexpected 9-month mission to space

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two astronauts ...