Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Since the 1970s, Voyager 1 has been making groundbreaking discoveries. But its journey is far from over, and it's still ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The James Webb Space Telescope has changed the game for planet hunters. Recent readings found what look like the first clues ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Eastern Arizona College Discovery Park staff brought the wonders of the solar system to Fort Thomas Elementary School during ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

Space news in 2025 is just wild. Every week, it feels like something new is happening—Mars rovers sending back weird photos, ...