W. M. Keck Observatory’s laser guide star adaptive optics (LGS AO) system uses a laser to create an artificial star to measure for atmospheric distortions. This results in sharp, high-resolution ...

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar ...

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, ...

Astronomers have discovered nearly 6,000 planets beyond our own solar system. Here's how — and how we'll find even more.

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...

The mission will help us uncover how early galaxies formed and where the building blocks of life are located in the Milky Way.

NASA and SpaceX are set to launch the SPHEREx and PUNCH missions on March 4, aiming to explore cosmic origins and the Sun’s ...

With the stresses on planet Earth in the headlines, at work and your day-to-day life, do you need a reminder that we’re just a speck on a dot in the endless vacuum of space? If so, ...