Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

NASA’s Roman Space Telescope could revolutionize the search for alien worlds by discovering around 100,000 exoplanets—far ...

The bright planets will appear within a pinkie width of each other this June—their closest alignment until 2028.

Snapchat Planets turns your friendship ranking into a tiny social solar system, where being Mercury is elite and Neptune ...

Spelling test, check. Long division homework, done. You’ve survived the solar system project more than once, and can probably ...

Three planets, two stars and one moon create a spectacular June sky show.

As our galaxy enters its “core season,” national parks, state parks, and more are bringing out the big telescopes to open ...

A huge solar project more than 200 miles southeast of Atlanta has laid bare rifts in many rural communities over development ...

The challenge was taken up by Prince Henry of Portugal. Between 1424 and 1434, he sent 14 ship expeditions to round the ...

Almost-summer fun ahead with Montgomery Biscuits games, theater experiences, music and more, plus water adventures are back ...

Hundreds of D.C.-area middle schoolers gathered at the KID Museum in Bethesda, Maryland, Sunday to showcase their inventions ...