Scientists have finally observed long-sought twisting magnetic waves, known as torsional Alfvén waves, in the Sun’s ...

Most comet-watchers thought that Comet C/2025 A6 (Lemmon) would reach its brightest October 21 when it was closest to Earth.

"Comets are like cats. They both have tails and do what they want," said comet discoverer David Levy many times. Well, Comet ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

Scientists have spotted elusive "magnetic waves" in the sun's atmosphere that may explain why the sun's corona is much hotter than its surface.

For decades, scientists have been scratching their heads over one of the Sun’s most baffling mysteries: why is its outer ...