"Overdose of Awesomeness": New Pluto Images Show Unpredicted Activity
September 17, 2015
More images have been released from New Horizons' July 14 flyby of Pluto, showing youthful mountains, glaciers and an escaping atmosphere.
Astrobiology: The Joy of Being Wrong
August 18, 2015
An astrobiologist looks forward to the day when everything he says is totally wrong.
Planets Defy Bottom-Up Assembly
August 15, 2015
As much as they want to imagine planets forming from dust, secular astronomers run into insurmountable difficulties.
Big Bang Antimatter Problem Deepens
August 13, 2015
The most precise measurements ever show that particles and their antiparticles are perfect mirror images of each other.
August 11, 2015
Modern cosmology is in a battle against the observations, and the observations might just win.
August 8, 2015
Cassini keeps revealing puzzling phenomena in the Saturn system that challenge traditional theories and date estimates.
Seriously, Ceres and Comets Look Surprising
August 5, 2015
Here are surprises found at asteroid Ceres and Comet 67P by spacecraft arriving there this year.
July 29, 2015
Here are some animals, some common and some little-known, whose abilities astonish scientists.
Ski Pluto: Glaciers Are Flowing
July 28, 2015
Planetary scientists are dumbfounded by more evidence of youth at Pluto, both on the surface and in the atmosphere.
You Wouldn't Want to Live on "Earth's Cousin"
July 24, 2015
Despite the hype about another Earth-like exoplanet, Kepler 452b would not be as habitable as Venus.
Lonely Billionaire Throws $100 Million at SETI
July 22, 2015
Yuri Milner gathered the SETI believers and gave them a pile of money to find aliens.
Is Pluto Another Geyser World? "Shocking" Images Baffle Scientists
July 17, 2015
In addition to featureless plains, Pluto may even sport active geysers—with no recourse to tidal heating to power them.
Pluto Is Young
July 15, 2015
The New Horizons science team is stunned by surface features on Pluto and its large moon Charon that cannot be billions of years old.
Pluto Inbound Image Stuns Scientists
July 14, 2015
It's not a featureless orb: Pluto has a whale and a heart. A "complex and nuanced" surface shows that Pluto and its large moon Charon had a history.
Will Pluto Surprise Scientists?
July 9, 2015
First-time encounters have a long history of shocking planetary scientists with unexpected features. It's about time for Pluto.