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

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Scientists have hypothesized since the 1960s that the sun is a source of ingredients that form water on the moon. When a ...

The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

Solar Cells Made of Moon ... System of Two Exoplanets Mar. 14, 2025 — Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super ...

Originally, the hypothesis was that Theia gave the Earth a glancing blow, and the proto-Earth and Theia lost pieces ending up as one or two moons that eventually formed the Moon. It was thought that a ...

One of astronomy's biggest puzzles may have been solved by a new theory that suggests the universe may rotate at an extremely slow rate. Current models suggest the universe is expanding evenly in all ...

And in the past decade, more than 20 spacecraft have ventured into the deepest reaches of our solar system ... orbit Earth, have actually traveled to other planets and approached the Sun, sending ...

NASA’s Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the ...

Solar Cells Made of Moon ... System of Two Exoplanets Mar. 14, 2025 — Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super ...