For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has ...

An international team of astronomers has discovered a giant planet orbiting the smallest known star to host such a companion.

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

A computer simulation predicts that the Rubin Observatory will discover millions of previously undetected objects in the ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.