transiting exoplanet survey satellite (TESS)
It's Confirmed. We now Know of More Than 5,000 Exoplanets
There are now more than 5,000 known planets in the universe, and we're just getting started.
Forget That Planet That Orbits Every 16 Hours. That’s so Last Week. Now Astronomers Have Found a Metal Planet That Orbits its Star EVERY 8 HOURS
Astronomers have found a small, hot planet that might be almost solid iron.
Astronomers Look at Super-Earths That had Their Atmospheres Stripped Away by Their Stars
A new study examines two rocky exoplanets (TOI-1634b and TOI-1685b) that appear to have been stripped of their atmospheres.
Larger Rocky Planets Might be Rare Because They Shrunk
Researchers at the Flatiron Institute's Center for Computational Astrophysics published a paper last week that just might explain a mysterious…
What Are Extrasolar Planets?
For countless generations, human beings have looked out at the night sky and wondered if they were alone in the…
One of the Oldest Stars in the Galaxy has a Planet. Rocky Planets Were Forming at Nearly the Beginning of the Universe
Would it be surprising to find a rocky planet that dates back to the very early Universe? It should be.…
TESS Has Now Captured Almost the Entire Southern Sky. Here’s a Mosaic Made of 15,347 Photographs
NASA has just released a beautiful panoramic image of the southern sky, which is composed of images taken by the…
NASA Promised More Smaller, Earth-size Exoplanets. TESS is Delivering.
When NASA launched TESS (Transiting Exoplanet Survey Satellite) in 2018, it had a specific goal. While its predecessor, the Kepler…
TESS Just Found its First Earth-Sized World
NASA's new planet-hunting telescope, TESS (Transiting Exoplanet Survey Satellite), just found its first Earth-sized world. Though the Earth-sized planet, and…
Now that TESS is Operational, Astronomers Estimate it’ll Find 14,000 Planets. 10 Could Be Earthlike Worlds in a Sunlike Star’s Habitable Zone
How many exoplanets are there? Not that long ago, we didn't know if there were any. Then we detected a…