Astronomers Discover and Directly Image Third Planet in Beta Pictoris System
Named Beta Pictoris d, the newly-discovered world is 100 times fainter than Beta Pictoris b — the first…
Webb Sees Jupiter-Size Exoplanet Being Roasted by Its Star
HD 80606b has one of the most extreme orbits of any known exoplanet and the NASA/ESA/CSA James Webb…
Jupiter Accelerates Electrons to Near-Light Speed, Offering Clues to Cosmic Ray Origins
The giant planet’s bow shock isn’t just deflecting the solar wind, it’s acting as a powerful particle accelerator,…
Astronomers Observe Exoplanet Atmospheres With New Cloud-detecting Method
Artistic representation of WASP-94 A b. Clouds build as air flows over the dark side of the planet,…
Learning More About Gas Giants From Exoplanet TOI-2031A
In the fall of 2025, University of Cincinnati astrophysics graduate Paul Smith discovered TOI-2031A, a gas giant that…
Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in…
Astronomers reveal how passing stars and exploding giants shaped our early solar system
Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not…
4.6 billion years ago, Jupiter saved Earth during its formation
When the solar system formed about 4.6 billion years ago, a gigantic cloud of dust and gas collapsed…
3I/ATLAS-Like Interstellar Objects Could Kick Start Planet Formation around High-Mass Stars
The discovery of 1I/Oumuamua, 2I/Borisov and 3I/ATLAS showed that significant numbers of interstellar objects populate interstellar space. Their…
What did NASA’s Juno mission discover about Jupiter? Here are 5 mind-blowing findings..
NASA’s Juno spacecraft has been orbiting Jupiter since 2016, peeling back layers of mystery around the Solar System’s…
Scientists Discover That Our Solar System’s Biggest Planet Was Once Much Larger, Playing A Huge Part In The Creation Of Other Planets » TwistedSifter
Kevin M. Gill/NASA/JPL-Caltech/SwRI/MSSS With a diameter of 88,846 miles at its equator, Jupiter is the biggest planet in…