Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

In principle, a primordial black hole's gravitational pull "could produce wobbles in the orbits of objects in the solar system that are big enough for us to measure." ...

While astronomers and space scientists were initially sceptical about the Planet Nine theory, there has been mounting evidence, thanks to increasingly powerful observations, that the orbits of ...

During its secretive mission, the X-37B will test new laser communications gear and a "quantum" navigation sensor.

NPR's Mary Louise Kelly speaks to poet Raymond Antrobus about his new memoir, The Quiet Ear, and how he has navigated between ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Why black-and-white photos can appear dull or flat, and how shifting your approach can bring depth, clarity, and visual punch ...

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's ...

These are exciting times to explore the largest unanswered questions in physics thanks to high-tech experiments and very ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent ...