The Eta Aquarid meteor shower is peaking. Experts say you can expect to see 10 to 15 meteors per hour in ideal viewing ...

The constellations overhead in May are dominated by Leo the Lion and Ursa Major the Great Bear.

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

As a comet spins up, it starts to fall apart, which is likely what is happening to Comet SWAN now before it ceases to be an ...

RASC & Explore Scientific set to celebrate International Astronomy Day by hosting Global Star Party from historic David ...

COIAS (Come On! Impacting ASteroids) is a web-based application that lets anyone search for Small Solar System Bodies (SSSBs) using images taken by the Subaru Telescope.

Astronomers discovered a planet that orbits its star so closely that its surface is being scorched into magma and vaporizing ...

Comets, which are composed of ice, frozen gas, dust and rocky material, are believed to be relics of the early solar system.

Every so often, a comet passes through the inner solar system. “These are relics from when the solar system first formed,” ...

This comet was spotted on photographs taken by the SWAN (Solar Wind ANisotropies), an instrument on the Solar and Heliospheric Observatory, or SOHO, spacecraft, operated jointly by NASA and the ...

The bright green comet, named C/2025 F2 (SWAN), sparked excitement among stargazers after it was spotted by an amateur astronomer on April 1. The surprise ... at Lowell Observatory in Flagstaff ...