A red giant star is a dying star in the last stages of stellar evolution. Our own sun will turn into a red giant star, expand and engulf the inner planets, possibly even Earth.
Graphic designers reveal how they translate hard science collected by Hubble into some incredibly artistic designs, while keeping the science as accurate as possible.
The intricate threads of cold gas in the Orion Nebula reveal that star formation in the largest clouds works much as it does in the smaller ones, thus unifying theories about how stars are born.
Nancy Grace Roman helped fight for what would become the Hubble Space Telescope. At 92, she continues to encourage women in astronomy today.
Discovered in 1781, the seventh planet was destined to cause snickers whenever someone says its name.
Fears of closure or destruction for the Arecibo Observatory were put to rest with the announcement of a new team of partners.
While current evidence for the Neptune-size exomoon around a Kepler world is tentative, the distant moon seems to defy current moon-formation theories.
One of the longest-serving women at NASA celebrated her 60th year with the Jet Propulsion Laboratory this January. At age 81, she has no plans to retire anytime soon.
In the "Star Trek" universe, the fantastic speed of warp 10 has remained annoyingly out of reach. However, a recent paper in an open-access journal describes an attempt to break that boundary.