"Operation Space Station: High-Risk Build" debuts Nov. 5, 2025 at 9 p.m. ET on PBS. "Operation Space Station: Science and ...

On Monday, Oct. 13, 2025, Venus, our planet of attraction and attachment, leaves the finicky fields of Virgo for the love-drunk, sweet-stoned punch bowl of Libra. “When Venus enters the sign of Libra, ...

If there's another planet in the system even somewhat nearby, its weak-but-persistent gravitational influence will pull the inner world into a highly elliptical orbit. Once there, it will stretch and ...

Planets orbiting dead stars known as white dwarfs might be able to remain habitable thanks to general relativity subtly altering their motion. When stars like our sun run out of fuel, they expand and ...