“When compared to our solar system, each of the four planets are inside the distance of Mercury’s orbit,” Basant said. The planets closely orbit Barnard’s Star, zipping around their stellar host in a ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years ...

17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar ... Barnard's Star, the second-nearest star system to ...

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Our solar system, in contrast ... orbit its star divided by the number of days it takes the next-closest planet to the star to orbit — as a measure of how close the worlds are to each other.

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and smaller than our sun. Located about 250 light-years from Earth in the Draco ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

The James Webb Space Telescope (JWST) has achieved groundbreaking discoveries in the field of exoplanet studies.