A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases the size of the Moon’s orbit. This means that the Moon gets slightly farther ...

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

Instead of using solid fuel elements, this innovative design uses liquid uranium fuel to heat the rocket propellant directly.

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, ...

The odds for life existing on other planets has just skyrocketed after a NASA rover unearthed new evidence on Mars. The odds for life existing on other planets just skyrocketed. NASA’s stoic ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and probing mysteries of the Universe.

North Korea fires solid rocket motor. North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...

At the beginning of the 19th century, a group of European astronomers came together to form an association without precedent in the history of astronomy. Informally known as the Celestial Police (in ...