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

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

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 ...

An official statement issued on Wednesday said that this length compares to roughly 10 times the size of the Milky Way’s ...

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

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

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

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

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Hubble Space Telescope captured a stunning red image of the Tarantula Nebula. it is a star-forming region in the Large Magellanic Cloud (LMC) galaxy. Hubble captured one of the most dynamic ...