"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

Around a Sun-like star just 1,300 light-years away, a family of planets has been seen in its earliest moments of conception.