Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

A mysterious visitor from another star system is carrying secrets billions of years old. Its composition could reveal how ...

Interstellar comet 3I/ATLAS composition change reveals evolving chemistry after solar heating, offering clues about alien ...

Missing US scientists’ mystery: Harvard astrophysicist Avi Loeb urges caution regarding a series of unexplained deaths and ...

A new comet should be visible to the naked eye this week, but you're going to need to set an alarm to see it.

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Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

The interstellar comet 3I/ATLAS releases water equivalent to 70 Olympic pools daily, providing insights into ancient ...

Stargazers were expecting to see the comet with the naked eye this month before it fell apart.