Stretching from Topsfield in Washington County to the St. John Valley along U.S. Route 1, it is the largest complete, designed-to-scale solar system model in the world.

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.

WD 1856 b is the only confirmed case of a planet that survived the death of a Sun-like star. It’s a Jupiter-size world ...

The moon is 384,000 kilometers (239,000 miles) away from Earth, but one of the best places to study its surface is much closer to home. Western planetary scientist Catherine Neish and PhD candidate ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of our own solar system when the sun dies.

The discovery boosts the chances of finding extraterrestrial life.

Dark comet 1998 SH2 spent 27 years cataloged as a routine asteroid before outgassing steered it invisibly off course, ...

It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life ...

A Maine landmark is back in full orbit.

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval ...

(Mark Garlick/Science Photo Library/Getty Images) If potted plants always seem to die under your care, you can take solace in knowing that plantkind as a whole will probably survive for a very long ...