There are many things in life whose constancy we can rely on -- friends, family, death, taxes -- but our home planet isn't one of them. Things are 'a' changin'. Slooowly. How would you feel about longer days, shorter springs, and a new north star?
A study based on 151 multi-planetary systems found by NASA's Kepler space telescope shows that most have a planet -- or two or three.
A ring-like filament of stars wrapping around the Milky Way may actually belong to the galaxy itself, rippling above and below the relatively flat galactic plane, making it far bigger than previously thought.
The star cluster is unique since it's located thousands of light-years away from the main disc of our galaxy.
A ravaged star, having survived its partner's supernova explosion, is being flung out of the Milky Way at record speeds.
For only the second time, an exoplanet living with an expansive family of four stars has been revealed.
New observations of a star-forming nebula have revealed four stellar embryos, providing clues as to how multiple star systems evolve.
The Icarus Interstellar 'Firefly' starship concept could use novel nuclear fusion techniques to power its way to Alpha Centauri within 100 years (guest article)
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