#exoplanets

Observations of TOI-199b with the James Webb Space Telescope identified methane in the atmosphere of a cooler gas giant, supporting long-standing models.

Using JWST’s mid-infrared instrument, researchers studied the hot dayside of LHS 3844 b and found a barren rocky world with no atmosphere and a surface unlike Earth’s crust.

NASA says the Nancy Grace Roman Space Telescope could reveal around 100,000 worlds, expanding exoplanet searches far beyond the solar neighborhood.

New research argues that active galactic nuclei can strip atmospheres and damage ozone far from a galaxy’s center, widening the map of what makes a world uninhabitable.

Researchers using NASA’s TESS mission say they have identified 27 new candidate planets orbiting binary star systems, using a detection method designed to find worlds that standard transit searches can miss.

Astronomers using TESS data and a detection technique based on apsidal precession say they have uncovered 27 new circumbinary planet candidates, potentially expanding one of exoplanet science’s rarest classes.

NASA’s Nancy Grace Roman Space Telescope is reportedly ahead of schedule and under budget, with a September launch expected. Meanwhile, Hubble has already surveyed part of Roman’s future hunting ground in the Milky Way’s

A decade-long UCLA-led search using the Green Bank Telescope examined radio emissions from more than 70,000 stars and planetary systems. It found no confirmed artificial narrowband signals, but it did deliver one of the

NASA’s exoplanet-hunting TESS mission has released a new all-sky mosaic that maps nearly 700 confirmed worlds and more than 5,000 candidate planets across observations gathered through September 2025.

NASA’s Pandora mission has released its first engineering images from space, marking an early milestone for the small exoplanet observatory launched in January.

The Paranal solar ESPRESSO Telescope has begun observations at ESO’s Paranal site in Chile, giving astronomers a dedicated way to study the Sun as a stand-in for stellar noise that can obscure Earth-like exoplanets.

A new preprint says a machine-learning analysis of more than 83 million TESS light curves identified 11,554 possible exoplanets, a haul large enough to potentially transform the field if confirmed.

A proposed Canadian mission called POET would search for Earth-sized and super-Earth exoplanets transiting small, cool stars where the signal could be easier to detect.

New research suggests young solar-mass stars may dim and soften in X-rays earlier than previously thought, potentially easing some of the atmospheric stripping risk for nearby planets.

Researchers say the TOI-201 system contains planets whose orbital angles and transit timing are changing fast enough to be tracked on human timescales, offering a rare look at planetary evolution in motion.

A new preprint reports that James Webb Space Telescope observations sharpened measurements of two TOI-700 planets but could not confirm an Earth-Moon-like system because the host star’s own variability overwhelmed the ex

Using 60 hours of continuous James Webb Space Telescope observations, astronomers have mapped the temperatures of TRAPPIST-1b and TRAPPIST-1c and found evidence that both Earth-sized worlds are rocky, tidally locked, and

A study using NASA’s Chandra X-ray Observatory found that young Sun-like stars in several clusters emit far less X-ray radiation than expected, a result that could improve prospects for life on nearby planets.

New research suggests stellar flares may expand habitable zones around K-type and M-type stars, widening the focus beyond sun-like systems in the search for life.

NASA says the Nancy Grace Roman Space Telescope is now targeting launch as soon as early September 2026, ahead of the agency’s earlier commitment to fly no later than May 2027.