With 3I/ATLAS set to fly by Earth in two weeks, professor Avi Loeb is debating whether our interstellar visitor is friend or ...

I/ATLAS carrying weapons of mass destruction? This explainer presents all scientific observations about methanol and hydrogen ...

Since the summer, the mysterious Manhattan-sized matter has been hurtling through our solar system, baffling experts as it goes. Nasa described it as a comet, but a Harvard professor isn't so sure ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. At one time, Earth had no life. Then, it did. Whether the process was gradual or rapid, the ...

Harvard's Avi Loeb warns that interstellar comet 3I/ATLAS could be a 'serial killer', carrying the neurotoxin hydrogen cyanide alongside life's building blocks.

Cyanide is a highly lethal chemical that has been used in warfare and poisonings for centuries—that was the general consensus on the naturally occurring chemical up until spring 2025. But in a global ...