The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

The answers to those questions depend on how we define the death of the solar system.

The world's first hybrid solar cargo ship has just launched in Germany, marking a major milestone for sustainable shipping.

Our sun, currently in its prime, is expected to shine for another 5 billion years. Eventually, it will transform into a red ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

The bold question-askers at What If explore whether our Solar System could survive if it ended up orbiting a black hole.

A mysterious object the size of Manhattan is blazing through our solar system, and its origins remain a puzzle to the world's ...

The Sun is a powerful, awe-inspiring force at the center of our solar system. Its brilliance lights up our sky and sustains ...

Smart solar systems are opening new doors—not just for energy savings, but for cybercriminals. Find out how to protect your ...

Limiting inverter output, called derating, enables installers to maintain system power rating when adding a new inverter to an existing solar installation, or to help homeowners qualify for incentives ...