Everyone's favorite dwarf planet, Pluto, was discovered just 95 years ago. Here's the story of how the once-ninth planet was ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

According to expert astrologers, these star signs have psychic abilities. The three water signs - Cancer, Scorpio, and Pisces ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

UK's Pulsar Fusion reveals Sunbird, a nuclear fusion rocket promising to cut Mars travel time in half. Could this be the ...

Anita Chauhan works with startups in Toronto, and she can easily describe the kind of looks she used to get from her tech-bro ...

Slideshows ...

Makemake is a dwarf planet and the largest of what is known as the classical population of Kuiper belt objects, with a diameter approximately that of Saturn's moon Iapetus, or 60% that of Pluto.

The moon slipped between the Earth and the sun on Saturday, casting a shadow on our planet in parts of the United States, ...

The rocket, developed by Isar Aerospace, lifted off from Norway’s Andøya Space Center and crashed about 30 seconds later. The ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Back in 1969, when Neil Armstrong and Buzz Aldrin first set foot on the moon, scientists knew of just 31 other moons in our ...