The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

New connections discovered between the Sun's photosphere and CI chondrites meteorites, providing clues about the origin of materials.

A conception of the James Webb Space Telescope orbiting ... get a sense of how weird our solar system really is — or how normal." You can see four of these planets below. "The closest planet ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

As the planets of our solar system orbit the Sun, they occasionally line up in space in events called oppositions and conjunctions. A planetary alignment can also refer to apparent lineups in our ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

Here is everything to know about this week's planet parade. Need a break? Play the USA TODAY Daily Crossword Puzzle ... grand parade showcasing all the solar system's major planets.