The interstellar pancake named 'Oumuamua might have been a chip off a Pluto-like object in another star system.
Worlds around red dwarf stars might build an ozone "shield" in response to stellar flares.
New Webb images reveal the space telescope's first exoplanet, first brown dwarf, and a stellar nursery teeming with activity.
Round out your week with these stunning views of the universe from the James Webb Space telescope.
The James Webb Space Telescope released its first science images today. Here's what these images show us.
The James Webb Space Telescope's first year of observations promises to reveal exoplanet atmospheres and surfaces, infant galaxies, and maybe even the first black holes.
At the extremes: A hot Jupiter reveals extreme chemistry on a sizzling world, and a cold Jupiter sheds light on giant planet formation.
The transit of a large cloud of protoplanetary rubble across the face of a young star gave the Spitzer Space Telescope our best view yet of planetary evolution in action.
A new instrument on a powerful telescope has enabled astronomers to discover another planet around our nearest stellar neighbor.