The James Webb Space Telescope's main goal is to detect faint light from distant galaxies, but it recently observed one of the brightest objects in the night sky: Mars. The space observatory captured ...

NASA Scientist Tom Statler termed it “a window into the deep past,” and the phrase has rapidly become the emotional center of ...

If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made largely of water ice—the most obvious sign that Mars was once a wetter, warmer ...

Camille Flammarion's work imagined what might exist beyond Earth in the universe. Three Lions/Hulton Archive via Getty Images Living in today’s age of ambitious robotic exploration of Mars, with an ...

NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...

NASA has released stunning new images of interstellar comet 3I/ATLAS, revealing fresh details about its structure, its ...

Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked ...