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Venus missions? Interstellar probes? Here are 18 wild space tech ideas NASA is looking at

These early-stage projects could change how we explore the universe

Most detailed Hubble image ever captures 265.000 galaxies across the cosmos

As wide as the image is, the Hubble Legacy Field still only encompasses an incredibly small patch of sky - just short of the width of the full Moon

Astronomer warns against SETI: “Maybe they will come and eat us”

Is it risky for Earth to send signals to extraterrestrials?

OSCaR spacecraft is designed to gather garbage

...and it's a dirty job but someone's got to do it!

Ed Sheeran, Justin Bieber and Leonardo DiCaprio are some of the celebs in music video “Earth” (video)

'Earth' is probably the biggest collaboration the world has ever seen

Astronomers finally spot Universe’s first molecule in distant Nebula

It was the first molecule to form after the Big Bang

A colossal elevator to space could be going up sooner than you ever imagined

Researchers are racing to make this science-fiction idea a reality

NASA proves its space helicopter can fly on Mars!

Scientists tested Mars 2020's smaller companion in JPL's Space Simulator

Mars had big rivers for billions of years (photo)

The water flowed intermittently but intensely

SpaceX is finally ready to test its “Starship”

When it’s completed, it will be one of the largest rockets ever built and could be the first spacecraft to bring humans to another planet

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