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 ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But mitigating this is its far greater distance, plus the fact that Earth appears much ...

The Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a detailed study published byThe Conversation, the Moon is moving approximately 1.5 ...

Monica Cull is a Digital Editor/Writer for Discover Magazine who writes and edits articles focusing on animal sciences, ancient humans, national parks, and health trends. View Full Profile. The moon ...

The asteroid will orbit the Earth for about two months starting from Sept. 29. The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come close enough ...

Timing is everything these days. Our communications and GPS networks all depend on keeping careful track of the precise timing of signals—including accounting for the effects of relativity. The deeper ...

The moon, just hours past its last quarter phase, will rise above the east-northeastern horizon shortly before midnight local ...

The first supermoon of 2025 will appear bigger and brighter on October 6. Learn how and when to catch the lunar spectacle.