interstellar objects

Rogue Planets Could be Habitable

The search for potentially habitable planets is focused on exoplanets—planets orbiting other stars—for good reason. The only planet we know…

2 weeks ago

Vera Rubin Observatory Should Find 5 Interstellar Objects a Year, Many of Which we Could Chase Down With Spacecraft

According to new research, the Vera C. Rubin Observatory will detect 5 `Oumuamua-like objects a year, creating many opportunities for…

2 weeks ago

What Happens to Interstellar Objects Captured by the Solar System?

Now that we know that interstellar objects (ISOs) visit our Solar System, scientists are keen to understand them better. How…

3 weeks ago

Galactic Panspermia. How far Could Life Spread Naturally in a Galaxy Like the Milky Way?

Can life spread throughout a galaxy like the Milky Way without technological intervention? That question is largely unanswered. A new…

3 weeks ago

Cosmic Rays Erode Away All But the Largest Interstellar Objects

So far we know of only two interstellar objects (ISO) to visit our Solar System. They are 'Oumuamua and 2I/Borisov.…

1 month ago

Protoplanetary Disks Throw Out More Material Than Gets Turned Into Planets

When a young solar system gets going it's little more than a young star and a rotating disk of debris.…

1 month ago

When Stars Get Too Close to Each Other, They Cast Out Interstellar Comets and Asteroids

In October 2017, humanity caught its first-ever glimpse of an interstellar object - a visitor from beyond our solar system…

6 months ago

Interstellar Comet Borisov is so Pristine, it’s Probably Never Been Close to a Star Before

By comparing our local Comet Hale-Bopp to the interstellar visitor 2I/Borisov, a team of astronomers have concluded that the interloper…

7 months ago

Oumuamua Isn’t an Alien Probe, Because Aliens can Learn Everything They Need About us With Telescopes

A new study offers a new take on why 'Oumuamua could not have been an alien probe: a lack of…

7 months ago

There Should be About 7 Interstellar Objects Passing Through the Inner Solar System Every Year

A new study led by the Initiative for Interstellar Studies (i4is) has found that interstellar objects like 'Oumuamua visit our…

7 months ago