A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The newborn planetary system appears to be emerging 1,300 light-years away around a baby star known as HOPS-315. Planet-forming materials were first identified using NASA's James Webb Space Telescope.

🛍️ 100+ early Prime Day deals. Get shopping now. 🛍️ By Laura Baisas Published Jul 16, 2025 11:00 AM EDT This is HOPS-315, a baby star where astronomers have observed evidence for the earliest stages ...

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...