Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Scientists examined infrared space surveys to narrow down candidates for Planet 9. Planet 9 would be so far from the Sun that it is just not illuminated by much sunlight. The two space surveys, ...

🛍️ The best Black Friday deals you can shop right now (updating) 🛍️ By RJ Mackenzie Published Jun 22, 2025 1:00 PM EDT Image: NASA Get the Popular Science daily newsletter💡 Breakthroughs, ...

Astronomers from the University of New Mexico, along with U.S. and international researchers, have confirmed the existence of a new giant exoplanet, made possible through a collaboration with citizen ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

OBJECTS. ASTRONOMERS FROM UNM SAY THEY HAVE DISCOVERED A NEW PLANET, THE GIANT SPHERE IS ABOUT 400 LIGHT YEARS AWAY. INITIAL OBSERVATIONS SAY IT IS ABOUT 25% LARGER THAN JUPITER. THIS HELPS THE ...

Not every large object in space forms part of a solar system. There are some big objects that exist in isolation in space, without either being a star or orbiting one. One of these, SIMP 0136, wanders ...

The shocking findings were part of a recent study in which astronomers effectively peered back in time to discover what Jupiter was like in its early years. Jupiter is not only the largest in the ...