Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its Mastcam—its main set of "eyes." Taken over 16 minutes on Jan. 17 (the ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

Gravitational lensing occurs when the gravity of a massive object, like a galaxy, warps the fabric of spacetime, bending the light from a more distant background object.

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...

The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...

NASA's Pandora satellite mission to document at least 20 known planets orbiting distant stars will start from SpaceX at its ...

A rare Einstein ring spotted near our galaxy offers a unique chance to test Einstein’s general relativity and study the ...

Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

HH 30 is a luminous region surrounding a newborn star, or protostar. The James Webb Space Telescope helped reveals unprecedented details of it.

Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...