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Space junk has a low probability of hitting a person on Earth. However, objects from space have been known to strike. In this post, we review.

White rainbows (a.k.a., fogbows, sea dogs, and ghost rainbows) have arches like their rainbow cousins but are mostly white in color.

Martian rovers and landers sometimes never make it to Mars and sometimes successfully land, sending back observational data for study.

Top three greenhouse gases on Earth are water vapor, carbon dioxide, and methane. Greenhouse gases contribute to Earth’s greenhouse effect.

Who is a cosmologist and what is cosmology? Who is a cosmetologist and what is cosmetology? How do cosmologists differ from cosmetologists?

Aliens have crashed all or portions of spacecraft on celestial objects like planet Mars in the Solar System. Let’s look at these crashes.

Have aliens land on Earth’s Moon or Mars? Many aliens have landed and walked on the Moon. Many alien spacecraft have landed on Mars.

Will our Universe either end or accelerate forever? This question has perplexed cosmologists for decades. Planck telescope has new answers.

Wondering how to read false-color NASA images? This is how you can uncover secrets in the dark black space of the void.

Space weather can wreck havoc on our phones and ability to communicate with people on a daily basis. Here is how and why that happens.