interstellar comet
We Could Spread Life to the Milky Way With Comets. But Should We?
Here's a thorny problem: What if life doesn't always appear on planets that can support it? What if we find…
Interstellar Oumuamua Was a Dark Hydrogen Iceberg
When Canadian astronomer Robert Weryk discovered `Oumuamua passing through our Solar System with the Pan-STARRS telescope, in October 2017, it…
A Cool Idea to Catch Up With an Interstellar Visitor
Poor, dim-witted humanity. We used to think we were the center of everything. That wasn't that long ago, and even…
Interstellar Comet 2I/Borisov Appears to Have Broken in Half
In 2019, amateur astronomer Gennadiy Borisov discovered a comet, which now bears his name. There's a long history of amateur…
Astronomers Find Cyanide Gas in Interstellar Object 2I/Borisov, but Don’t Panic Like it’s 1910
An international team of astronomers recently obtained spectra from the interstellar comet 2I/Borisov, which confirmed the presence of cyanide gas.
Could We Intercept Interstellar Comet C/2019 Q4 Borisov?
A recent study by members of i4is shows how we could intercept future interstellar visitors using existing technology.