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4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generations
A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...
Remember that asteroid that isn't going to hit Earth? We could send a mission to explore it
YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...
BBC9d
Spinning through space: The astronomers watching the skies for asteroids
Sue Nelson explores how asteroids can inform our understanding of the Earth's past – or threaten our future. Each year, according to Nasa, a chunk of rock the size of a car hurtles through space ...
ScienceAlert12d
Greenhouse Emissions Threaten The Future of Low Earth Orbit, Scientists Warn
The continued release of greenhouse gases into Earth's atmosphere could increase the longevity of space junk in low Earth ...