A new optical and thermal modeling framework identifies optimal perovskite/silicon tandem solar cell designs for satellites ...

A newly discovered object orbiting far beyond Neptune has its closest approach to the Sun pointed in the opposite direction from every other known body like it, weakening one of the central ...

New evidence suggests that billions of years ago, a star may have passed very close to our solar system. As a result, thousands of smaller celestial bodies in the outer solar system outside Neptune's ...

“The Sun’s death is not an event the planets will quietly survive—it is the trigger for their orbital undoing.” Reading time 3 minutes Our Sun is just like any other star. That is, eventually the Sun ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star. Earth has a nearly circular orbit, but some planets outside our solar system, ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...