The surface of the Earth preserves little or no information about its distant past. Constant tectonic activity has recycled Earth's crust and shifted landmasses. Rainfall, wind, ice and snow have weathered away surface features ...
Space Exploration
Jul 8, 2015
0
126
While life is everywhere on Earth, there is much debate about how it began. Some believe it originated naturally from the chemistry found on our planet as it evolved. Others hypothesize that life—or at least the building ...
Space Exploration
Jul 7, 2015
0
146
Could Mars, of all places, be the place to look for early life on Earth?
Space Exploration
Jun 18, 2015
6
2044
After an epic journey across the breadth of the solar system, NASA's New Horizons spacecraft is finally nearing its destination: the Pluto system, a staggering 3 billion miles from Earth. In December, after a journey of nine ...
Space Exploration
May 11, 2015
6
233
A pair of solar eruptions over the weekend have unleashed a severe geomagnetic storm that could disrupt power and communications on Earth, US officials said Tuesday.
Space Exploration
Mar 17, 2015
0
345
We all know and love the moon. We're so assured that we only have one that we don't even give it a specific name. It is the brightest object in the night sky, and amateur astronomers take great delight in mapping its craters ...
Space Exploration
Feb 25, 2015
25
3781
If you've read your share of sci-fi, and I know you have, you've read stories about another Earth-sized planet orbiting on the other side of the Solar System, blocked by the Sun. Could it really be there?
Astronomy
Feb 24, 2015
31
139
A Sun-like star with orbiting planets, dating back to the dawn of the Galaxy, has been discovered by an international team of astronomers.
Astronomy
Jan 27, 2015
25
635
The possible existence of Earth-like binary planets is being described today at the American Astronomical Society's Division for Planetary Sciences meeting in Tucson, AZ. Two bodies, each of mass similar to Earth, can form ...
Astronomy
Dec 3, 2014
13
1
A planetary atmosphere is a delicate thing. On Earth, we are familiar with the ozone hole—a tear in our upper atmosphere caused by human-created chemicals that thin away the ozone. Threats to an atmosphere, however, can ...
Astronomy
Oct 30, 2014
3
0
