We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Joseph DeMartini's SUnward NEO Surveillance and Early Twilight detection (SUNSET) Collaboration proposes detailed surveys during twilight to detect near-Earth objects headed toward Earth from the ...

The sun may too bright and too powerful for us to look at with the naked eye, even from nearly 92 million miles away on Earth, but a solar orbiter recently got an unprecedented up-close glimpse of the ...

The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

Monday’s solar eclipse was incredible because the sky was very clear and observers could see the darkness of the moon and the bright white light of the sun’s corona, said Justin Kasper, chief of ...

Avi Loeb's new study of 3I/ATLAS reveals a 7.1-hour rotation and a bizarre solar alignment, raising questions about the ...