The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

Starting next week, the moon, Earth’s closest celestial body, will be joined by a new neighbor: a second moon. From Sept. 29 ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...

Earth is going to have its very own mini-moon from September 29 until November 25. The regular moon's new, temporary friend is 2024 PT₅, an asteroid captured from the Arjuna asteroid group ...

Get ready for a cosmic surprise this autumn - Earth is about to get a second moon, according to scientists. A small asteroid is going to be captured by Earth’s gravitational pull and temporarily ...

Look at how the Earth's tilt changes how much sunlight the northern hemisphere receives. The Moon is always a sphere but you may have seen different shapes of Moon in the sky. These are called the ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...

1 at 1:21 a.m. EST (0521 GMT). A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side pointing towards us. You can see a new moon when it crosses the face of ...

A temporary second moon, known as a mini-moon, started orbiting the Earth on Sunday, September 29. The celestial object is a tiny asteroid named 2024 PT5, part of a small secondary asteroid belt ...

About the same diameter as Earth’s moon, the innermost of Jupiter’s four giant moons is covered in volcanoes, some emitting sulfurous plumes hundreds of miles into space. It’s been imaged by ...