Paulos built his own 900-watt plug-in solar system for about 65 cents per watt. That’s generally more affordable than ...

If the outer solar system’s first solid bodies had come with a recipe, it would have called for a generous helping of chondrules, millimeter-sized beads of rock forged by heat, and very little icy ...

Asteroids are leftover pieces from the formation of our solar system about 4.5 billion years ago. In the beginning, ...

Iron meteorites show the first bodies of the early solar system were 83% to 92% dry rock, with water arriving millions of ...

Ancient grains inside one of the oldest known meteorites reveal that a surprisingly strong magnetic field existed during the solar system’s first 200,000 years. The discovery suggests magnetism worked ...

When the solar system first took up the task of building solid bodies—such as planets, moons and protoplanets—it basically ...

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

The number of rocky extrasolar planets being discovered continues to increase, but so too does the apparent diversity of such worlds.

Renewable energy is a topic that seems to be mired in a fog of war of myths and nonsense. It seems that everyone has an opinion, and a polarized opinion at that, and myths and nonsense are common on ...

Switch to solar with a system built for you. A typical residential solar system costs $13,962 to $27,924 before incentives, but going solar doesn’t mean you need all that cash upfront. Today’s ...