SUNSET: 
Hints of Life on a Potential Ocean Planet
Astronomers might have detected hints of life on a faraway planet — but they need more observations before they can say for sure.
Webb Telescope Reveals What Happens When a Planet Spirals Into Its Star
When astronomers discovered a star that had swallowed its own planet, they found a surprise — the planet may have spiraled in to its demise.
Tiny Disks Shed Light on Super-Earth Origins
A team of astronomers has obtained high-resolution images of all known protoplanetary disks in the Lupus star-forming region.
Confirmed at Last: Barnard’s Star Hosts Four Tiny Planets
Following decades of disproven claims, four small exoplanets have been confirmed to orbit Barnard’s Star, the second-closest star system.
Window into Hot Jupiter Reveals Multilayered Winds
The hot, inflated atmosphere of Jupiter-mass planet WASP-121b undergoes surprising changes under the close heat of its star, new data reveal.
New Images Reveal Exocomets Around 74 Nearby Stars
Researchers have unveiled new images of 74 nearby stars surrounded by belts of small, comet-size bodies, not unlike our own Kuiper Belt.
Disintegrating World Sheds Comet-like Tail
Astronomers have spotted a disintegrating world being destroyed by its star, providing a unique window into the end of a planet’s life.
TRAPPIST-1b Atmosphere Debated; Some Stars Take Their Time Forming Planets
In this roundup of recent exoplanet news, we look at whether a famous world is really so airless and at just how long planets take to form.
The Webb Telescope Reveals a "Featherweight Giant" Planet
When JWST looked at what was supposed to be a hot Jupiter, it found something else instead: a fluffy, shrinking planet that’s more like Neptune.
Charting the Cosmic Shoreline: Which Planets Have Atmospheres?
Which of the nearly 6,000 known exoplanets have atmospheres? With help from the James Webb Space Telescope, astronomers are inching closer to an answer.
Unveiled: The Youngest Transiting Exoplanet Ever Detected
A passing star may have warped a veil of dust to expose the embryonic planet.
Gliese 229 B’s Newfound Companion Solves Brown Dwarf Mystery
A 1995 Hubble Space Telescope image of the brown dwarf Gliese 229 B next to its far brighter host star, the M dwarf Gliese 229 A. S. Kulkarni (Caltech), D.Golimowski (JHU) and NASA Astronomers recently discovered a companion to Gliese 229 B, the first confidently identified brown dwarf. This discovery…
Webb Telescope Images Planet-Shaping Winds Around Young Stars
Astronomers have obtained the first sharp images of winds blowing from gaseous disks around young stars, paving the way for improved models of planet formation.
Barnard’s Star Has a Confirmed Planet — At Last!
Astronomers have found a sub-Earth-mass planet orbiting Barnard's star, just six light-years away — for real this time.
A Baby Planet Reveals Its Hiding Place
New analysis reveals evidence of a super-Earth-mass exoplanet forming in the disk surrounding the star TW Hydrae.
A Closer Look at a Potential "Eyeball Planet"
New James Webb Space Telescope observations of LHS 1140b hint at a temperate water world with a nitrogen-rich atmosphere.
Webb Telescope Sees Morning and Evening on a Hot Saturn
The James Webb Space Telescope has for the first time detected the difference between the morning and evening of a tidally locked gas giant planet.
High School Citizen Scientists Join the Hunt for Exoplanets
A group of high school astronomy students helped confirm and characterize a planet slightly smaller than Saturn that closely orbits its star.
Webb Telescope Sees Evidence of Asteroid Collision Around Nearby Star
New data suggest the star Beta Pictoris has cleared away the remains of an asteroid pulverized as recently as two decades ago.
Astronomers Discover New Earth-size World Only 40 Light-Years Away
This nearby terrestrial world might just reveal the secrets of atmospheric composition and habitability for planets like Earth and Venus.
