jwst
Finding Atmospheres on Red Dwarf Planets Will Take Hundreds of Hours of Webb Time
The JWST is enormously powerful. One of the reasons it was launched is to examine exoplanet atmospheres to determine their…
Webb Finds Hints of a Third Planet at PDS 70
The exoplanet census now stands at 5,599 confirmed discoveries in 4,163 star systems, with another 10,157 candidates awaiting confirmation. So…
Dwarf Galaxies Banished the Darkness and Lit Up the Early Universe
During the Universe's Dark Ages, dense primordial gas absorbed and scattered light, prohibiting it from travelling. Only when the first…
If Hycean Worlds Really Exist, What are Their Oceans Like?
Astronomers have been on the hunt for a new kind of exoplanet in recent years – one especially suited for…
The JWST Discovers a Galaxy That Shouldn’t Exist
Astronomers working with the JWST found a dwarf galaxy they weren't looking for. It's about 98 million years away, has…
A Super-Earth (and Possible Earth-Sized) Exoplanet Found in the Habitable Zone
Astronomers have found a new Super-Earth orbiting an M-dwarf (red dwarf) star about 137 light-years away. The planet is named…
Webb Directly Images Two Planets Orbiting White Dwarfs
In several billion years, our Sun will become a white dwarf. What will happen to Jupiter and Saturn when the…
Feast Your Eyes on 19 Face-On Spiral Galaxies Seen by Webb
If you're fascinated by Nature, these images of spiral galaxies won't help you escape your fascination. These images show incredible…
Another Explanation for K2-18b? A Gas-Rich Mini-Neptune with No Habitable Surface
Exoplanet K2-18b is garnering a lot of attention. James Webb Space Telescope spectroscopy shows it has carbon and methane in…
New Webb Image of a Massive Star Forming Complex
The James Webb Space Telescope, a collaborative effort between NASA, the ESA, and the Canadian Space Agency (CSA), has revealed…