Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Occasionally, asteroids get caught in Earth’s orbit, temporarily becoming mini moons before continuing their cosmic paths.

Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than ...

But in space or on the Moon, there are no power lines, no sunlight at night and no backup grid. Every system — from life ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

The mission aims to collect samples from the near-Earth asteroid 2016 HO3 and explore the main-belt comet 311P.

The Tianwen 2 mission, which is China's first attempt to bring pristine asteroid samples back to Earth, was launched on May ...