In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much ...

Aliens could spot Earth because of airports such as Heathrow and Gatwick, according to new research. Radar systems used by ...

Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining ...

Mars is easiest to see when it’s closest to Earth, which happens about every two years. This event is called “opposition.” In ...

A new study reveals that a common human technology may be quietly broadcasting our presence to alien civilizations—without us ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of ...

Proxima Centauri b is the closest known exoplanet that could be in the habitable zone of its star. Therefore, it has garnered ...

Standing on Proxima b would be unlike anything we’ve ever experienced. Just 4.24 light-years away, this exoplanet orbits the ...

The sun's ascent above Earth's horizon is observed from the International Space Station, marking the approaching peak of ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

How close are we to discovering life beyond Earth? In this video, we explore the nearest exoplanets - worlds orbiting other ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.