Learn more about Comet C/2024 G3 (ATLAS), which may be visible from the Southern Hemisphere in mid- to late-January.

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

Comet G3 ATLAS (C/2024) is expected to reach its maximum brightness tomorrow. The celestial phenomenon may even outshine the ...

Traveling from one star to another is currently impossible to achieve within a human lifetime. But some projects are ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

A very rare treat is about to grace Earth's night skies.

The spacecraft first flew over the planet's cold and dark night side before transitioning to the sunlit northern regions.

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System ...

The article describes the unique energies and roles of each planet in the solar system, presenting them as voices that ...

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you ...