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Earth" and a massive outer planet, revealing insights into extreme planetary evolution. An international research team, led ...

Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare ...

NASA's LEXI instrument is set to land on the moon's surface sometime this month. Using X-ray sensors, the device will watch ...

The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury's night side before ...

The race to dominate space is intensifying as two of Silicon Valley’s most influential figures, Jeff Bezos and Elon Musk, ...

NASA astronaut Don Pettit shares a breathtaking video of the aurora's intense green glow from the International Space Station, mesmerizing viewers worldwide.

There is more space junk in Earth's orbit ... happen when the density of objects in low Earth orbit (LEO)—roughly 100-1,200 miles above our planet—reaches a certain critical level.

Scientists have issued a stark warning to humanity when it comes to the Kessler syndrome that could send humanity back to the metaphorical Dark Ages if it comes true. Modern society is full of ...

The Soviet Union’s launch in 1986 of Mir, the first modular low-Earth-orbit space station, transformed that mind-set. Suddenly astronauts not only flew to space but also had to live in space for ...

including on the technology we use daily on Earth and in space, as well as learn about the workings of stars across the universe to aid in our search for habitable worlds beyond our home planet.” ...

Their real photography advantage, though, is the glorious view from space as they circle our planet every 90 minutes ... long described a profound shift in perspective when they first see Earth from ...