News

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...
Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...
Astronomers have discovered semi-heavy water ice around a young sunlike star, reinforcing theories about the origins of water ...
Astronomers call them main belt comets. A Japanese spacecraft is already on the way to visit a dark comet—and the commanders of that mission didn’t even realize it until recently.
For the past few years, I’ve been studying a type of object that I called a dark comet – which could be just the culprit. In a new study my colleagues and I published in December 2024, we discovered ...
NASA has recently discovered some strange dark comets captured close to the Earth, and they are wondering where they are coming from. NASA found seven more “dark comets,” increasing the number of ...
Credit: Darryl Seligman Contributions to Earth’s oceans It’s still not clear exactly what these dark comets are. They may not even be traditional comets if they don’t have icy surfaces.
Outer dark comets are larger – about a mile wide in size – and on more elliptical orbits farther out in the solar system. Inner dark comets are smaller – typically 1,000 feet in size – and ...
Outer dark comets are larger – about a mile wide in size – and on more elliptical orbits farther out in the solar system. Inner dark comets are smaller – typically 1,000 feet in size – and ...
In a new study my colleagues and I published in December 2024, we discovered two classes of these elusive dark comets Dark comets fly through space, but unlike comets, they don’t have dust tails.