Out of the limelight, theoretical physicists continue to seek a mathematical model that can explain the universe's particles ...

The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.

Now, a new study published Nov. 11 in Nature Astronomy has revisited the Voyager 2 data and discovered that Uranus was ...

Starship reignited one of its six Raptor engines on orbit for the first time, a capability that will come into play during ...

From 520 light-years away, astronomers have caught a glimpse of a nascent massive world still embedded within its star’s ...

Our best view yet of the material linking clusters of galaxies may have pinpointed some 20 percent of the universe’s missing ...

Although the future of the legendary aviation company's space sector is up in the air, its legacy has long shaped travel ...

A historic observatory opens a multi-million-dollar museum and celebrates its unique history and legacy of current big-play ...

Earth’s orbit around the Sun is not circular, but an ellipse. The perimeter of Earth’s orbit is roughly 584 million miles ...

The largest and most powerful rocket to ever fly could lift off on its sixth test flight as early as Monday at 5 p.m. EST.

Astronomer Francesco D’Eugenio wasn’t looking for a murdered galaxy. His team set out to measure the motions of stars in a distant galaxy and to understand why they appeared so old. Similar ...