Technically, the United States won’t turn 250 until July 4. But Donald Trump dictated this weekend that before the dawn’s early light of only the third day of America’s semiquincentennial was soon ...

Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to ...

Ground and space-based telescopes have confirmed a microlensing event caused by a rogue planet wandering silently through the ...

Astronomers have found a planet wandering alone in space. This rogue planet, similar in size to Saturn, offers a rare glimpse ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

Mark Zuckerberg's superyacht just made an appearance off the coast of Mexico, leaving many concerned about its environmental ...