Stargazers across the Southern Hemisphere have been treated to views of a comet throughout the opening weeks of 2025. This past weekend, the cosmic spectacle became even more stunning as it ...

Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

G3 (ATLAS) blazed past the Sun, captured in stunning detail by the SOHO spacecraft. Scientists used its passage to study how ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...