Blog

Learn how impacts, volcanism, tectonics, erosion, and climate continually reshape planetary surfaces across billions of years.

Learn what rogue planets are, how they form, how scientists detect them, and why these free-floating worlds matter to astronomy.

Learn how planets and moons differ in size, orbit, formation, atmosphere, and role in a solar system.

Mars looks red because its surface and dust are rich in iron oxides, but the full story involves geology, oxidation, and atmospheric effects.

Learn how stars die, from quiet fading to explosive supernovae, and what stellar remnants reveal about the universe.

Explore why Jupiter, Saturn, Uranus, and Neptune formed as gas and ice giants far from the Sun.

Learn what the inner planets are, how they differ from outer planets, and why Mercury, Venus, Earth, and Mars are central to our solar system.

Learn what terrestrial planets are, how they formed, and why Mercury, Venus, Earth, and Mars share key rocky traits.

A clear look at how astrobiologists detect possible biosignatures, choose targets, and test oceans, rocks, and atmospheres for signs of life.

Learn what ice giants are, how they differ from gas giants, and why Uranus and Neptune reveal clues about planet formation.