A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

Named HD 20794 D, the newly discovered exoplanet orbits a star similar to the Sun, and researchers believe it may be able to ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

Generally, the nights of and near the new moon – when the moon is not illuminated – are better for most stargazing experiences. Here are the dates of new moons this year.

The record-breaking winds are circling the nearby "puffy" exoplanet WASP-127b, and are traveling six times faster than the ...

Two stars in Wolf-Rayet 140 collide, forming carbon-rich dust. Webb captured 17 expanding dust shells, revealing ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

From a cosmic blunder to a shining star, Stephanie Buttigieg turned a live TV slip-up into a masterclass on planets and beyond! After enduring widespread mockery for an on-air mistake about the number ...