Comets
Comets and Interstellar Objects Could be Exporting Earth Life Out into the Milky Way
A new study suggests that comets and asteroids that graze Earth's atmosphere might be responsible for the spread of life…
Here’s the Picture We’ve Been Waiting for. Hubble’s Photo of Interstellar Comet 2I/Borisov
Leave it up to the good ole Hubble Space Telescope. The workhorse telescope has given us a photo of the…
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.
Rosetta Saw Collapsing Cliffs and Other Changes on 67P During its Mission
It seems that comet 67P/Churyumov–Gerasimenko is not the stoic, unchanging Solar System traveller that it might seem to be. Scientists…
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.
Images are Starting to Come in of the New Interstellar Comet
Thanks to the Gemini Observatory, we now have our first glimpse at the interstellar comet, C/2019 Q4, the second interstellar…
Oumuamua 2.0? It Looks Like There’s a New Interstellar Object Passing Through the Solar System
Astronomers with NASA and the ESA have confirmed that an object that could be interstellar in origin (like 'Oumuamua) is…
An Astrophotographer Noticed a Chunk of Ice Orbiting Comet 67P in Rosetta’s Photos
The European Space Agency's (ESA) Rosetta mission spent two years at the comet 67P/Churyumov-Gerasimenko. At the end of September 2016,…
Meet the Comet Interceptor. It’ll Wait Patiently In Space for a Comet, Then Pounce On It
The ESA has announced a new mission to explore a comet. The Comet Interceptor mission will have a spacecraft wait…
Astronomers Find a Chunk of a Comet Inside a Meteorite
The early days of the Solar System are hard to piece together from our vantage point, billions of years after…