The Winter Solstice takes place this Sunday, December 21, marking the first day of winter, with the northern hemisphere experiencing the longest night and shortest day of the year.

Astrologer Lisa Stardust explains the astrological impact and meaning of the new moon in Sagittarius on December 19.

Our readers sent in hundreds of images, capturing everything from the activity of the Sun and distant nebulae to Comet Lemmon ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

Turning Point USA is holding its annual youth conference in Phoenix, where conservative influencers have clashed and the ...

Every December, Earth plows through a dusty lane of debris in space, and the night becomes illuminated by streaks of meteors.

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

Saturn's giant moon Titan may not have a vast underground ocean after all. Titan instead may hold deep layers of ice and ...

The US Senate confirmed billionaire private astronaut Jared Isaacman to become President Donald Trump's NASA administrator, making an advocate of Mars missions and a former associate of SpaceX CEO ...

A new NASA study of data from its old Cassini mission to Saturn suggests that giant moon Titan may not have a global ocean — ...

Saturn's huge moon Titan may not hide an ocean under its frozen surface but rather widespread pockets of liquid water, a new study finds. Titan is the largest of the 274 known moons orbiting Saturn.