So, if astrobiologists ever do find alien life with a weird chemistry that uses some liquid other than water, it's not likely ...

Why don't Saturn's rings throw a shadow onto the planet's surface, like its moons do? John GrimleyToronto, Ontario The simple ...

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Saturn’s rings are an arresting sight even through modest telescopes. The planet is made mostly of hydrogen and helium whereas the rings are billions of pieces of mostly bright-white water ice and ...

Social media users were floored by the incredible image captured in the viral post, with one saying: "I honestly gasped hard.

New images reveal the extent of the damage the USS Harry S. Truman suffered this week when it collided with a merchant vessel near Egypt in the Mediterranean Sea. The photos released Saturday by ...

Mars, Venus, Jupiter, Saturn and Mercury will shine bright enough for the naked eye to see, and you can catch glimpses of Uranus and Neptune with binoculars or a telescope.

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M. Keck Observatory/Judy Schmidt | edited by Space.com's Steve Spaleta ...

Interplanetary contamination risks from space missions and strategies to mitigate them, including the importance of ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

"Pale Blue Dot" – one of the last photos taken by Voyager 1 – is still the most distant image of the Earth. Astronomer Carl ...