Earth Does Not Orbit Around the Sun But Around a 'Center of Mass,' Claim Researchers 'How planets revolve' is possibly one of ...

Learn more about WASP-121b, the exoplanet so hot it could vaporize iron.

While the Sun is by far the largest object in the Solar System, about 1,048 times the mass of Jupiter, gravity doesn’t work one way. Just as Earth pulls on you, you’re also pulling back on ...

Something incredibly strange is happening in our cosmic neighborhood: a mysterious gravitational disturbance is hurtling Jupiter toward the Sun. If it sounds like science fiction, that’s because ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar system.

Orbiting its star in an elliptical path at less than half the distance between Earth and the Sun, this exoplanet offers a ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, and the true sun’s daily path across the sky is higher. The opposite is ...