W. M. Keck Observatory’s laser guide star adaptive optics (LGS AO) system uses a laser to create an artificial star to measure for atmospheric distortions. This results in sharp, high-resolution ...

Previous examinations using ground-based tools as well as the Hubble and Spitzer space telescopes indicated SIMP 0136 was ...

Let’s get this out of the way—any scientist studying Uranus will tell you that they’re tired of the planet being the butt of ...

Astronomers have discovered nearly 6,000 planets beyond our own solar system. Here's how — and how we'll find even more.

Back in 2006 our Solar System lost a planet, not because it disappeared, but because it was reclassified. Pluto, now considered a dwarf planet, failed one of the three tests the International ...

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune were already visible in the night sky after dusk this month, but Mercury joined them on Feb. 28. While it's common to see a few planets line up in the ...

A stunning planet parade is now visible in the night sky. A planet parade is when several of our solar system's planets are ...

All seven other planets in the solar system will be visible at the end of February, treating stargazers to a dazzling display ...

This phenomenon, known as a "planet parade," will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all ...

A 'planet parade': This phenomenon will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all visible at the ...

This phenomenon known as a "planet parade," will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all ...