This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

Explore your spring horoscope and understand how the stars affect you this June and July season for better planning.

Last week, standing with the Bible skeptic Michael on the common ground that science affords, we continued to look to the ...

For the next few evenings, the waxing gibbous moon is already well up as skies darken. If you happen to see it, keep in mind ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

After the upper troposphere (the lowest portion of the atmosphere) of the young planet has become saturated with steam, that atmospheric layer imposes a strict upper limit on outgoing radiation fr ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

Curious about how many moons Mars has? Discover fun facts about Phobos and Deimos — Mars' two tiny moons — including their ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to explore it.

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...