While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

There are thousands of known exoplanets, many of which are too dark to directly see, but scientists have made a 3D map by ...

New James Webb Space Telescope data suggests the strongest evidence yet of possible biological activity on exoplanet K2-18b, ...

In a new study, scientists used advanced computer models to peer beneath Jupiter's dense swirling cloud tops and tackle a ...

Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want ...