Our solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may have had a lasting impact on Earth's climate, according to a new study.

Mars has fascinated people throughout history, and today, it is one of the most explored places in the solar system ... is about 1.5 times the size of Earth's. Sunlight takes about 13 minutes ...

A collection of down-to-Earth facts about our planet and its place in the solar system. This collection introduces the Sun as the main source of light and heat on Earth. It explains that the Earth ...

A trip to planets outside our solar system could tell scientists a lot — even if no extraterrestrial life is found ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

As is general knowledge, we track a day on Earth as lasting ... is the greatest in the solar system at 97.77 degrees. Along ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

The "severe" solar ... on Earth. (Note, G5 storms are the max magnitude of these storms and may have different effects as a result.) Among the possible consequences of a G4 storm are power system ...

Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only around every eight years, according to EarthSky. Typically, Venus orbits ...

Helium-3, an isotope formed during the solar system's birth, may be trapped in Earth's core, a study suggests. Researchers at the University of Tokyo found that helium can mix with iron at extreme ...