The Earth has a “second moon,” and it appears to have originated from the original moon. This additional moon is a near-Earth asteroid called 2016 HO3, or Kamo’oalewa, which means “oscillating ...

The tool models the sun using AI, and its developers say it can anticipate solar flares 16 percent more accurately and in ...

It takes the moon about 27 days to orbit the Earth. What makes it go round? It is the gravitational attraction of the Earth on the moon. Due to the moon's velocity, the Earth keeps pulling the ...

The 3:1 resonant orbit – in which Tiandu-1 completes three loops of the Earth for every circuit made by the moon – is seen as a breakthrough for lunar infrastructure, including a BeiDou-like ...

At right top (steps 1–2) is the sidereal lunar cycle: The time it takes the Moon to complete an orbit (360°) around Earth is 27 days, 7 hours, 43 minutes, and 11.5 seconds.

The chunk of rock, about the size of a double-decker bus, will come into the Earth's orbit on September 29. It will travel around the planet alongside the moon for around two months. The asteroid ...

Mini-moons are small asteroids or comets that can become captured by a planet's gravity, temporarily orbiting around it until they are flung on their path around the Sun once more. Every now and ...