Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...

The Mastcam-Z camera on NASA’s Perseverance rover captured the Martian moon Phobos as it eclipsed the sun. Credit: ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Mars has northern and southern hemispheres like Earth, but their defining characteristics are markedly different, a ...

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

The study suggests that the Moon likely formed largely from Earth's mantle material — with minimal involvement from Theia.

Have you read on social media about the “once in 396 billion years” planetary alignment happening on Jan. 25? Guess what? Social media is not reliable. Here’s what’s really going on — and why you ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...