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

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 ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

A team of astronomers has attempted to track the path of interstellar object 3I/ATLAS back into the past, tracing its path through the galaxy in simulations involving over 13 million stars.

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

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, ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

The NASA Interstellar Mapping and Acceleration Probe (IMAP) spacecraft is scheduled to launch on September 23, 2025, to study the heliosphere.