How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

A planet far, far away A possible dwarf planet, like Pluto, has been observed in our solar system, according to a preprint published in arXiv. The area of space where this planet was found was ...

Spica is two and a half fists above the southwestern horizon at 11 p.m. The positional information in this column about stars and planets is typically accurate for the entire week.

Sky This Week is brought to you in part by Celestron. Friday, June 13 Mercury is making its way through Gemini, passing close to the star Mebsuta (Epsilon [ε] Geminorum) this evening. Visible for ...

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...