Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

The sprawling Republican budget bill approved by the Senate Tuesday removes a proposed tax on solar and wind energy projects but quickly phases out tax credits for wind, solar and other renewable ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a process that’s also applicable for other planets.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Delve into the wonders of Venus—the beautiful and extreme planet of our Solar System. Experience its stunning visuals in 4K resolution as we uncover its secrets, from its fiery surface to its ...

Pluto was unseated as the ninth planet in our solar system. Will we find a real Planet Nine?

An object up to dozens of times the mass of Jupiter flying through our solar system may have disrupted planetary orbits.

Earth isn't the only planet with extreme weather. From Venus' scorching heat to Neptune's extreme cold, here are the weirdest weather patterns in our solar system.

The outer solar system is a vast and mysterious place that could be harboring hidden objects we know almost nothing about — from the elusive Planet Nine and baby black holes to interstellar ...

While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each planet.