Astronomers believe they've discovered some of the universe's earliest stars, located about 13 billion light-years from Earth ...

We may have finally seen the first generation of stars. Astronomers have been looking for these primordial behemoths, called Population III stars, for decades. Now they have found what may be the most ...

NASA conducts studies of Unidentified Aerial Phenomena (UAP). NASA Associate Administrator for the Science Mission Directorate, Dr. Thomas Zurbuchen, explains. Credit: Space.com | Animations provided ...

In the distant past, the Solar System was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...