This invisible boundary, located about 100 astronomical units (AU) from the Sun (one AU is the distance from Earth to the Sun ...

Astronomers found hidden cosmic channels, like tunnels, connecting our solar system to distant stars, reshaping views of ...

Dark matter, the elusive substance that makes up around 27% of the universe, remains one of the most intriguing mysteries in ...

Harvard astronomer Avi Loeb and his colleagues suggest the possibility interstellar space object 3I/ATLAS is generating "its ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

Is it a STEM kit? Is it a star projector? Science Can Solar System Planetary Projector review will give you all the details.

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not loop back around the sun. That's why astronomers around the world are using ...

How many moons could there be in total? There are more than 900 known natural satellites in the solar system. However, as we have seen, this number is likely to grow significantly in the future.

Here are the 10 best places in the solar system to look for extraterrestrial life, subjectively ranked by yours truly for how likely we are to find life—and how easy it would be to find it if it ...