Space
- Planetary Science
Moon gets younger age estimate
The moon may have formed about 95 million years after the birth of the solar system, up to 70 million years later than some scientists previously predicted.
- Cosmology
Maybe time’s arrow needs ergodicity as well as entropy
Explaining the arrow of time might require an equilibrium universe with hidden ergodic dynamics.
- Astronomy
This winter warrior made the gravitational waves discovery possible
Engineer Steffen Richter played an important role in the recent gravitational waves discovery, wintering at the Amundsen-Scott research station at the South Pole and making daily treks to keep the BICEP2 telescope running.
- Planetary Science
Icy rings found around tiny space rock
Astronomers discover an icy ring around the planetoid Chariklo, held in place by unseen moons.
- Planetary Science
Icy planetoid found lurking at edge of solar system
Astronomers discovered an icy planetoid orbiting beyond the edge of the Kuiper belt.
- Astronomy
Zoom in on amazing detail in NASA moon map
An interactive mosaic of images from the Lunar Reconnaissance Orbiter lets you fly over the Moon’s north pole with unprecedented detail.
- Cosmology
Cosmic question mark
Two ways of measuring the universe’s expansion rate disagree by about 10 percent. One of the methods may be flawed. Or it could be that a hitherto unobserved phenomenon is at work.
- Cosmology
Top 10 cosmological discoveries
The cosmic microwave background radiation has played a part in many of cosmology’s greatest discoveries.
- Planetary Science
How Earth’s radiation belt gets its ‘stripes’
The rotation of the Earth may give the planet's inner radiation belt its zebralike stripes.
- Astronomy
Sun’s ejections collide to create extreme space storm
In July 2012, the sun shot off streams of charged particles and magnetic fields that collided to create a record-setting space storm.
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
- Cosmology
Gravitational waves unmask universe just after Big Bang
For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.
