Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

Scientists studying data from the Alpha Centauri star system on Wednesday announced what they believe is a second Earth-like planet orbiting the star closest to the sun.The finding, announced via ...

Computer simulations suggest that there is an undiscovered Earth-like planet lurking in the distant ... [+] Kuiper Belt, well past the orbit of Neptune (artistic illustration). There may be an ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

Using data from NASA 's Transiting Exoplanet Survey Satellite, scientists have identified an Earth-size world ... "TESS just completed its second year of northern sky observations," said Allison ...

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, is Earth's history.