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The mystery surrounding 3I/ATLAS has captured the imagination of many, from leading astronomers to pop culture A-listers like Kim Kardashian and tech mogul Elon Musk.

Astronomers using NASA's James Webb Space Telescope have found strong evidence for a new exoplanet — one orbiting Alpha Centauri A, the nearest sun-like star to Earth.

NASA has begun construction has started on SPHEREx, a new extraordinary mission that will map the sky in unprecedented detail and color.

As NASA's Curiosity rover passes 4,000 'sols,' or Martian days, on the Red Planet, a Space.com reporter who began work in 2012 reflects on what that means.

Nebulas — colorful clouds of expanding gas and dust — have long captivated stargazers with their beauty. Here are 28 of the most stunning nebulas in the universe.

"It is not darkness that unites us, not the cold distance of space, but the offering of water..." Those words, by U.S. Poet Laureate Ada Limón, are part of an ode flying on NASA's Europa Clipper.

Here's everything you need to know about the potentially hazardous asteroids that come worryingly close to our planet.

NASA has formally retired its Mars InSight lander, the first robotic probe specially designed to study the deep interior of a distant world, four years after it arrived on the surface of the red planet, the U.S. space agency announced on Wednesday.

People have been exploring the surface of Mars for over 50 years. According to the United Nations Office for Outer Space Affairs, nations have sent 18 human-made objects to Mars over 14 separate missions. Many of these missions are still ongoing, but over the decades of Martian exploration, humankind has…