We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

People think they've found Martian images of interstellar object 3I/ATLAS on NASA's website. They might be right.

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.

The comet, which flew by Mars on October 3, is estimated to be around 46 kilometers in diameter.

Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is much larger than previously thought.... First discovered by NASA on July 1, ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Mysterious interstellar object 3I/ATLAS is hurtling through the solar system. As it continues its journey, it offers an ...

ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

A mysterious object traveling through our solar system may have emitted a signal, according to a scientist. This enigmatic ...

Now, in a new yet-to-be-peer-reviewed paper, an international team of astronomers analyzed data collected by the European ...

A mysterious celestial body speeding through the solar system and shedding metals was captured in July by the Very Large ...