At the ragged frontier where the Sun’s influence gives way to the galaxy, a decades‑old spacecraft has stumbled into a ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Astrophysicists are mapping a vast, hidden structure in the gas around the Sun that behaves like a tunnel carved through ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse. When you ...

Jupiter is the largest planet in the solar system, known for its massive size, strong gravity, powerful storms and many moons ...

This common solar misconception is stopping homeowners from accessing big savings. Just 7% of U.S. homes have solar panels — what's stopping others from making the switch? Solar myths can make ...