Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

Throughout January, a rare planetary alignment will become visible in the night sky, promising a rare celestial delight.

The star Vega has been known to us for years, but that doesn't mean it's short on surprises. Here's what astronomers found ...

Scientists have long studied the life cycle of stars, and a recent discovery has shed light on the eventual demise of our Sun ...

Chas Licciardello and John Barron guide you through the issues and events of the week in America as President Joe Biden completes his final weeks in the White House before Donald Trump makes a ...