A small object recently captured by Earth’s gravity may not be a natural satellite at all. According to Harvard astrophysicist Avi Loeb, the mysterious body, known as 2025 PN7, could be a lost piece ...

An interstellar object detected last summer has ignited a renewed debate among astronomers after researchers floated the possibility that it may have formed near the dawn of the Milky Way, challenging ...

The "alien mothership" hypothesis for interstellar comet 3I/ATLAS is about to have a key test, as it hits solar conjunction and perihelion. What does that mean, and why is a Harvard professor of ...

"It is incredible that modern telescopic surveys have the ability to detect such small objects up to millions of kilometers away." When you purchase through links on our site, we may earn an affiliate ...