Kepler-186f: How Astronomers Discovered an Earth-Sized Planet in a Star’s Habitable Zone

An artist's conception of Kepler-186f Image Credit: NASA

How did astronomers find Kepler-186f, an Earth-sized planet in the fabled ‘habitable zone’ – where liquid water can exist?

Mexico’s Good Friday Earthquake: M7.2, 18 April 2014

Earthquakes of at least M6.0 in and around Guerrero province since 1900. Image credit: USGS

Good Friday 2014 saw a major earthquake strike in Mexico’s Guerrero province. The tremor was the largest to occur in the so-called ‘seismic gap’ for over a century.

Solar System Chemistry: Snow Line, Thermodynamics, and the Proto-planetary Disk

Our solar system is visually-striking, but what is the chemistry behind it? Image courtesy of NASA

How does the location of Earth affect our planet’s chemistry – and the interaction of the molecules necessary for life on our world?

Major Earthquakes in the Western Pacific and Nicaragua: 11-17 April 2014

Location of the week's earthquakes in the western Pacific. Image credit: USGS

In a week with an unusually high number of earthquakes, the major focus was on the western Pacific – but an earthquake in Nicaragua also raised concerns.

Weather Around The World This Week: Pick Your Poison

Category five tropical cyclone Ita as it approached Australia. Satellite photo courtesy of NOAA

Snow, Rain, Heat, Cold, Drought, Wind, and a disappearing moon. This week’s weather had it all. Is there more in store?