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Mars is starting up a new year, which will see the planet begin a new 687-Earth-day trip around the sun.

SpaceX will launch its next astronaut crew for NASA, the Crew-13 mission, on Thursday, Oct. 1, 2026 on a mission to the International Space Station. See our live updates.

SpaceX's Crew-13 astronaut launch to the International Space Station will be an 8-hour flight. Here's when and how to watch it live.

The bright blue lagoon waters of Venice and its iconic canals stand out in this true-color satellite image.

See the waning gibbous moon meet the Pleiades star cluster and put your observing skills to the test.

"We clearly see both planets shaping their environment. Now there is an image of them!"

SpaceX's Starship megarocket just notched a huge milestone, reaching orbit for the first time ever. But it still has a few other important boxes to check.

"We think early Earth might have looked a lot like a lava world."

On Sept. 29, 1977, the Soviet Union launched its Salyut 6 space station into orbit. Here's why the new home in space mattered.

A newfound amoeba just set a heat-tolerance record for multicellular organisms, widening the range of environments in which astrobiologists might find alien life.