Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

The pre-dawn sky on April 25 will see a conjunction of Venus, Saturn and a waning crescent moon, which will resemble a ...

The next supermoon is expected to reach its closest distance to Earth along its orbit. But even without clouds in the sky, it ...

Originally, the hypothesis was that Theia gave the Earth a glancing blow, and the proto-Earth and Theia lost pieces ending up ...

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon ...

King tides occur when the moon is the closest to the Earth in orbit and aligned with the Earth and sun. They are also the ...

is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under sunlight. Thanks to the Moon’s orbit around Earth, the angle ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

The best time to view the Lyrids is when Lyra, the Northern Hemisphere constellation from which the meteors appear to radiate ...

China launched two satellites atop a Yuanzheng-1S mounted on a Long March-2C rocket. While the first and second stages were ...