An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Images captured by NASA's Solar Dynamics ... act as an early warning system for dangerous space weather. Earth's temporary asteroid friend last year was a chunk of its real moon that had been ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Dark matter has eluded us for many decades. Even our most advanced particle colliders and sophisticated underground detectors ...

The rooftop solar array was installed at The Beach, a high-rise rental property along the Hudson River waterfront in Jersey ...

Ease of implementation, versatility and negligible operating costs make this a gamechanger for both residential and ...