Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

When astronomers first discovered exoplanets, they found massive ones orbiting large stars. The technology to detect smaller planets around low-mass, dim red dwarfs took time to develop. By the ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses.

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...

"More crucially, this planet resides within the habitable zone of its host star, the region around a star where the temperature is suitable for liquid water to exist. It orbits around its host star ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Scientists Astonished By Discovery of Giant Planet That Doesn't Make Any Sense: 'We Don't Understand' After decades of ...

Sometimes the best stargazing happens on ordinary nights. Late June 2025 showcases consistent cosmic rhythms: Venus is ...

What would happen if you put a baseball-sized piece of neutron star on the Earth? Would it fall to the core of the Earth and ...

But now they have a plan. A rocky world, LTT 1445 Ab, orbits a red dwarf star within a three-star system about 22 light-years away. Credit: ESO / M. Kornmesser illustration ...