TN Science Desk From Mercury to Neptune: Solar System Planets in Order From the Sun Our cosmic neighbourhood There are eight planets in our solar system, all of which revolve around our local star: ...

The question of whether Earth is alone in harboring life has captivated humanity for millennia. In recent years, scientists ...

Sky-watchers will get a rare chance to see all the major planets in our solar system bunched together—with the moon joining the festivities, too, from June 17 to June 27.

The size of the sun in the sky appears about 4 percent smaller at aphelion than at perihelion, an effect that is too small to be noticed without precise instruments, Dr. Wasserman said.

There are 8 planets in the solar system, each unique in size, distance, and composition. Learn about all the planets in order from the Sun, their characteristics, and key facts that make them ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A new paper from Harvard's sometimes controversial physicist Avi Loeb has suggested that if we want to find advanced alien ...

Lichen from the Mojave Desert has stunned scientists by surviving months of lethal UVC radiation, suggesting life could exist ...

World's largest digital camera observes cosmos, capturing detailed images of galaxies, asteroids, and stars changing ...

As it was built from chunks of other planets, wandering every couple miles was like entering a completely new biome. (It even contained a chunk of downtown Denver.) ...

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.