After 30 Years of Discovery, These Are Astronomers’ Top Five Exoplanetary Systems
Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with perfectly synchronized orbits
NASA’s First-Ever Alien-Hunting Space Telescope Could Enlighten Our New Dark Age
The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground
This Blazing Exoplanet Breaks All the Rules about Alien Atmospheres, JWST Finds
Hot, small and old—exoplanet TOI-561 b is just about the worst place to look for alien air. Scientists using JWST found it there anyway
Astronomers’ Exoplanet Haul Tops 6,000 Alien Worlds
It’s a crowded galaxy, the latest exoplanet tally shows
Hints of Atmosphere on Earth-Sized Exoplanet Raise Hopes for Life
A monumental sign of an atmosphere on TRAPPIST-1e could be the precursor to finally finding a living world around another star
New Instrument Checks on Proxima Centauri’s Planets
Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way
7 Big Mysteries about Interstellar Object 3I/ATLAS
Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever
Astronomers Witness an Alien Solar System’s Birth for the First Time
Observations of a baby star may show the earliest stages of planet formation that astronomers have ever seen
Astronomers Found the Most Self-Destructive Planet in the Sky
This planet triggers flares on its star—spelling its ultimate doom
NASA’s Next Major Space Telescope Is Ready to Launch. Trump Wants to Kill It and Other Vital Science
Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope
How Many Rogue Planets Roam the Milky Way?
According to new simulations, many, even most, planets get ejected from their star early in their history
When Was the First Exoplanet Discovered?
Evidence of alien worlds goes back farther than you think