Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

Stargazers are in or a treat as six planets - Venus, Mars, Jupiter, Saturn, Neptune, and Uranus - are set to align in the ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a non-threat.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

In the United States, funding for planetary defense has long had strong bipartisan support both inside and outside of ...