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"The discovery signals a potentially habitable environment in the ocean of Europa," according to the Webb Space Telescope's website.

Scientists are thrilled with the tiny asphalt-black rocks, and most of the sample hasn't even been revealed yet.

The next blue supermoon will not happen until 2032, but supermoons occur more frequently.

2023 was significantly hotter than any year going back to at least the late 1800s. The coming decades will be even hotter if humans don't rapidly move away from burning fossil fuels, scientists warn.

The 2022 honoree is Cynthia Rosenzweig, whose computer modeling shows the impact on global crops. She talks about her "aha" moment, a big surprise in her findings and her plans for the $250,000 prize.

NASA's first effort to retrieve samples from an asteroid will send a capsule that contains extraterrestrial pebbles and dust plunging towards a Utah desert on Sunday.

The Northern Hemisphere saw the biggest rise in land temperatures, finishing 2.59 degrees Fahrenheit hotter than the 20th century average.

Think summer's hot on Earth? Space physicists tracking weather on Jupiter say the roar of the raging storm we call the Great Red Spot heats the outer atmosphere above it by more than 1,000 degrees F.

Ghostly particles called neutrinos can travel nearly unimpeded across the universe. For the first time, physicists have been able to pinpoint the origin of a powerful neutrino.

NOAA's Space Weather Prediction Center says the Earth-bound coronal mass ejection from Tuesday's X-class solar flare was "slightly overdue."