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Exoplanet Earth: What our world tells us about the cosmos

Robotic Spaceflight

The BepiColombo mission will image Mercury like never before

Exoplanets, Science

Inclined orbits prevail in exoplanetary systems

Exoplanets, Science

The search for exoplanets — and the surprises found along the way

How we discovered Planet Nine

Ask Astro: Why do the giant planets spin faster than the terrestrial planets?

Science, Solar System

Orbital observations of Mercury reveal flood lavas, hollows, and unprecedented surface details

Science, Solar System

In pursuit of Planet Nine

Exoplanets, Science

NASA finds Earth-sized planet candidates in habitable zone

Science, Solar System

Researchers see signs of a real Planet X

Alien Life, Exoplanets, Planets

How we’ll find life in the universe

Science, Solar System

Tour the solar system: Mercury