American space agency NASA revealed details on a new coating material that could be used on the upcoming starshade for the ...

The arrival of an interstellar comet is a truly momentous astronomical event, but witnessing one up close, from the orbit of another planet? That is the stuff of science fiction. Yet, this remarkable ...

The James Webb Space Telescope is turning distant exoplanets from anonymous dots of light into worlds with weather, chemistry, and sometimes even hints of clouds. By dissecting the faint starlight ...

If intelligent life exists beyond Earth, we may be picturing the wrong kind of encounter. Most of us imagine other beings as ...

A small space telescope with the eyes of a giant will spend the next year studying the planets around distant stars, and the University of Arizona will serve as mission control. The refrigerator-sized ...