Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Last fall, the scientific community went into a minor frenzy. A hunk of interstellar material had been sucked into the ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

All must, then, be regarded as having always been members of the solar system, however much their orbits may have changed ... of the viscosity with the time. Scientific Papers, vol.

Astronomers have mapped, for the first time, the three-dimensional structure of an exoplanet’s atmosphere, revealing ...

Galileo precedes today’s physicists by many generations, but his work underscores the interplay of intellect and observation ...

What did Newton understand that was such a revolution? Can someone just... explain gravity to me? Let's start with a ...

As civilizations advance, they may need to migrate across the galaxy, and some researchers speculate they could use their own stars as massive engines. New research explores the possibility of a ...

Astronomers have officially announced the name of the largest structure in the known universe. It was reported earlier this ...

Learn about the life and scientific contributions of Johannes Kepler, the 17th-century astronomer known for his laws of ...

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...