
When Galaxy Clusters Crash, Light Warps and Particles Fly
New observations of a behemoth collision reveal extreme physical forces at work

When Galaxy Clusters Crash, Light Warps and Particles Fly
New observations of a behemoth collision reveal extreme physical forces at work

Habitable Planets Search Deflated by Stellar Wind
It's easier to detect exoplanets around M-dwarfs, the most common type of star in our galaxy, but these worlds also may suffer from a life-threatening solar wind


Doubt Grows about Gravitational Waves Detection
Two analyses suggest that the signal of big bang ripples announced earlier this year was too weak to be significant

A Stellar Discovery on the Milky Way's Far Side
Five remarkable stars on the other side of our galaxy promise new insight into the outer reaches of our home turf

9 Exceptional Scientists Receive the 2014 Kavli Prizes
Cosmic inflation, nano-optics, memory and cognition are among the topics to earn recognition

Hunting the Wild Neutrino
Astrophysicist Ray Jayawardhana, of the University of Toronto, talks about his new book Neutrino Hunters: The Thrilling Chase for a Ghostly Particle to Unlock the Secrets of the Universe

Time Machines Would Run Afoul of the Second Law of Thermodynamics
Last year I got talking to theoretical physicist Aron Wall about the thermodynamics of quantum gravity. Now that's a deceptively beautiful phrase: in four words, you get three of the deepest areas in modern science.

Cash-Starved NASA May Have to Nix 1 Space Telescope to Save Others
Hubble, Kepler, Chandra and other orbiting observatories got reprieves, but the Spitzer mission may be canceled

Spacecraft to Have a Last Dangerous Dance with Venus
In about a month’s time, the European Space Agency’s (ESA) Venus Express spacecraft will adjust its orbit and dip into the outer venusian atmosphere.

Busted Exoplanet-Hunting Kepler Space Telescope Gets a New Mission
Kepler will rely on solar radiation pressure to balance its compromised pointing ability in order to make observations of targets in the plane of Earth's orbit

When Will We Find Dark Matter?
One of the most fundamental but elusive constituents of the cosmos could soon be cornered

Oddball Eclipse Makes Star Brighter
When a white dwarf passes in front of its binary star system companion every 88 days, it acts like a lens to make the larger star appear brighter to us.