Potentially Habitable "Super-Earth" Discovered Just 20 Light-Years Away
Scientists believe the exoplanet HD 20794 d, six times the mass of Earth, could harbour liquid water on its surface.
New Book Reveals Why We Need An Exoplanet Reality Check
Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.
earth20h
Runaway star may be dragging a planet along with it
Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...
Daily Galaxy on MSN21h
NASA Discovers a Lightning-Speed Exoplanet System That Could Shatter Galactic Records
NASA scientists have made a groundbreaking discovery that could change how we understand the dynamics of exoplanetary systems ...
Smithsonian Magazine on MSN16h
An Enormous, Branching String of Galaxy Clusters Is the Largest Known Structure in the Universe, Scientists Say
The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
Live Science on MSN21h
Earth grew an extra, never-before-seen 'radiation belt' after last year's supercharged solar storm — and it's probably still there
Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...