The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook that astronomers use to understand these objects. From its skewed tail to ...

When an object from outside our star system zooms through our neighborhood in the solar system, it provides a rare ...

In an earlier blog post about Christopher Nolan's latest blockbuster movie, Interstellar, I lauded the film for its ambition, its visuals     and the strong performances of its cast.

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

Christopher Nolan’s Interstellar created a black hole that would later turn out to be fairly scientifically accurate.

The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

Scientists scanned interstellar Comet 3I/ATLAS for alien signals using powerful radio telescopes, found nothing artificial, ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...

From surviving a trip through the event horizon of a black hole to impossible clouds made of solid ice, "Interstellar" went lighter on science than it did on fiction. From surviving a trip through the ...