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.

2 months ago

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.

8 months ago

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…

1 year ago

What Are Extrasolar Planets?

For countless generations, human beings have looked out at the night sky and wondered if they were alone in the…

1 year ago

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.…

1 year ago

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…

3 years ago

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…

3 years ago

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…

3 years ago

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…

3 years ago