We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

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

Narrator: Serious scientists, like myself, believe our solar system was formed by the collapse of a giant cloud of gas and rock and is held together by the gravitational pull of the Sun.

Using the physics governing our single-sun solar system, he simulated interstellar activity in Alpha Centauri, a solar system with three suns.

NASA’s Parker Solar Probe is making its second of three planned close passes through the sun’s outer atmosphere. The spacecraft will reach speeds of 430,000 mph, making it the fastest human ...