Jesse Emspak

The new moon of December 2023 offers skywatchers dark skies for catching the Geminid meteor shower, one of the year's best celestial spectacles.

November is when the winter constellations of the Northern Hemisphere become more prominent; it's the time of year when Orion, Taurus and Gemini are visible almost all night long.

October's new moon rises today (Oct. 14) and causes an annular or 'ring of fire' solar eclipse, which will delight skywatchers across the Americas.

September's new moon rises tonight (Sept. 14). Here's what you can expect to see in the night sky around this time.

The Blue Moon of August 2023 rises on Aug. 30, offering skywatchers a second chance to catch a supermoon alongside Saturn in the night sky.

Mercury, Mars, Venus, Saturn and Jupiter will all be visible overnight on Monday (July 17) during July's new moon, although some will require staying up late.

Reference The full moon of September 2022 also carries the title of the Harvest Moon for those living in the Northern Hemisphere.

Massive binary star systems in the galaxy form at the edges of open clusters or the leading edge of a spiral arm, a team of astronomers found.

It's only a matter of time before someone is killed by falling space junk.

NASA is testing one technique it might use should a large asteroid threaten to collide with Earth. But just how high are the odds of such a dangerous space rock after all? You don't need to panic.

On May 25-27, much of the world will see a lunar eclipse that coincides with the moon's closest approach to Earth — making it a "supermoon" eclipse that will turn the moon reddish.

A blue moon, a supermoon, and a blood moon (i.e. a lunar eclipse) are happening around the same time in January 2018: Here’s when.

NASA scientists have built a flexible tire made of metal that springs back to its original shape after being bent or deformed. The tire could be used on Mars or even on Earth.

December's Full Cold Moon rises tonight (Dec. 3), bringing the only "supermoon" of the year on its heels.

A planet circling a star in the constellation Cancer might have an atmosphere similar to Earth's — but with daytime temperatures hot enough to melt titanium.

Here's how to see the Venus-Jupiter conjunction on Nov. 13, 2017.

On Nov. 13, Venus and Jupiter will rise together in the morning sky, only a few hours after the planets reach conjunction at 1:05 a.m. Eastern Time. Here's how to see it.

Any aliens building around Tabby's star would have to be thinking very big.

Tonight (Nov. 5), the moon will temporarily hide the orange star Aldebaran, the brightest star in the constellation Taurus, in what astronomers call an occultation.

November's Full Beaver Moon will shine bright overnight tonight and early Saturday (Nov. 3 and 4), a day before the moon reaches perigee, its closest distance to Earth each month.

A new study suggests that Jupiter and other gas-giant planets might once have been "steam worlds" — warm ocean planets a bit bigger than Earth, with water-vapor atmospheres.

October means baseball playoffs, Halloween and, for NASA's Lunar Reconnaissance Orbiter, 100 lunar days on the moon.

Astronomers have pinpointed five pairs of merging black holes using three different space and ground-based instruments and two sky surveys.

In October 1957, amateur radio operators monitored the first signal from a spacefaring civilization — and it was us.