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The star Alpha Draconis (circled), also known as Thuban, has long been known to be a binary system. Now data from NASA's TESS show its two stars undergo mutual eclipses. Credit: NASA/MIT/TESS
Surprise! TESS Shows Ancient North Star Undergoes Eclipses

January 8, 2020

Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have shown that Alpha Draconis, a well-studied star visible to…
NASA Planet Hunter Finds Earth-Size Habitable-Zone World

January 7, 2020

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size planet in its star’s habitable zone, the range…
NASA’s TESS Mission Uncovers Its 1st World With Two Stars

January 7, 2020

In 2019, when Wolf Cukier finished his junior year at Scarsdale High School in New York, he joined…
Tiny Satellite for Studying Distant Planets Goes Quiet

January 4, 2020

Mission operators at NASA’s Jet Propulsion Laboratory in Pasadena, California, have lost contact with the ASTERIA satellite, a…
NASA to Announce New Discoveries at Annual Astronomy Meeting

January 2, 2020

NASA researchers will present new findings on a wide range of astrophysics and other space science topics at…
A New Way to Measure the Age of the Milky Way

December 9, 2019

Like many other spiral galaxies in the Universe, the Milky Way Galaxy consists of two disk-like structures –…
NASA’s TESS helps astronomers study red-giant stars, examine a too-close planet

November 20, 2019

NASA’s planet-hunting TESS Mission keeps giving astronomers new realities to examine and explain. Case in point: astronomers using the tools…
Tatooines everywhere? Many of the Exoplanets Already Discovered are in Multi-Star Systems

November 16, 2019

Right now, we know of about 4,000 confirmed exoplanets, mostly thanks to the Kepler mission. TESS, the Transiting…
TESS Has Now Captured Almost the Entire Southern Sky. Here is a Mosaic Made of 15,347 Photographs

November 9, 2019

On April 18th, 2018, NASA’s Transitting Exoplanet Survey Satellite (TESS) took to space for the first time. By…
NASA Instrument to Probe Planet Clouds on European Mission

November 9, 2019

NASA will contribute an instrument to a European space mission that will explore the atmospheres of hundreds of…
NASA’s TESS Presents Panorama of Southern Sky

November 6, 2019

The glow of the Milky Way — our galaxy seen edgewise — arcs across a sea of stars…
It Seems Impossible, But Somehow This Planet Survived its Star’s Red Giant Phase

November 6, 2019

Astronomers working with TESS (Transiting Exoplanet Survey Satellite) data have found a planet where it shouldn’t be: in…
Exoplanets Can’t Hide Their Secrets from Innovative New Instrument

August 30, 2019

In an unprecedented feat, an American research team discovered hidden secrets of an elusive exoplanet using a powerful…
Q&A: Stanford researcher models exoplanet’s atmosphere

August 27, 2019

In the search for life beyond our galaxy, many scientists have their eyes turned toward orbs like Earth:…
NASA Gets a Rare Look at a Rocky Exoplanet’s Surface

August 21, 2019

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the…
Follow That Planet! How Astronomers Chase New Worlds in TESS Data

August 14, 2019

As pink liquid oozed around her shoes, astronomer Johanna Teske started to feel sick. She had been looking…
Illustration of NASA’s Transiting Exoplanet Survey Satellite. Credit: NASA's Goddard Space Flight Center
NASA’s TESS mission finds ‘missing link’ planets

August 6, 2019

NASA’s newest planet-hunting satellite has discovered a type of planet missing from our own solar system. Launched in…
Confirmation of Toasty TESS Planet Leads to Surprising Find of Promising World

August 1, 2019

A piping hot planet discovered by NASA’s Transiting Exoplanet Survey Satellite (TESS) has pointed the way to additional…
NASA Promised More Smaller, Earth-size Exoplanets. TESS is Delivering.

August 1, 2019

When NASA launched TESS (Transiting Exoplanet Survey Satellite) in 2018, it had a specific goal. While its predecessor,…
TESS discovers three new planets nearby, including temperate “sub-Neptune”

July 30, 2019

NASA’s Transiting Exoplanet Survey Satellite, or TESS, has discovered three new worlds that are among the smallest, nearest…
NASA’s TESS Mission Scores ‘Hat Trick’ With 3 New Worlds

July 30, 2019

NASA’s newest planet hunter, the Transiting Exoplanet Survey Satellite (TESS), has discovered three new worlds — one slightly…
NASA’s TESS Mission Completes First Year of Survey, Turns to Northern Sky

July 26, 2019

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered 21 planets outside our solar system and captured data on…
The Planet-Hunting TESS Discovers Its Smallest Exoplanet to Date

July 4, 2019

Thanks in large part to the Kepler Space Telescope, the number of confirmed extrasolar planets has grown exponentially…
Illustration of NASA’s Transiting Exoplanet Survey Satellite. Credit: NASA's Goddard Space Flight Center
NASA’s TESS Mission Finds Its Smallest Planet Yet

June 28, 2019

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered a world between the sizes of Mars and Earth orbiting…
Planet-Hunter CubeSat Images Los Angeles

May 17, 2019

A small satellite designed to hunt for new planets beyond the solar system recently looked down at Earth…
TESS Just Found its First Earth-Sized World

April 19, 2019

NASA’s new planet-hunting telescope, TESS (Transiting Exoplanet Survey Satellite), just found its first Earth-sized world. Though the Earth-sized…
TESS finds its first Earth-sized planet

April 16, 2019

A nearby system hosts the first Earth-sized planet discovered by NASA’s Transiting Exoplanets Survey Satellite, as well as…
The hunt is on for closest Earth-like planets

April 4, 2019

NASA’s new Transiting Exoplanet Survey Satellite (TESS) is designed to ferret out habitable exoplanets, but with hundreds of…
Credits: NASA/Ames Research Center
Kepler’s Final Image Shows A Galaxy Full Of Possibilities

February 7, 2019

NASA’s Kepler space telescope may be retired, but the discoveries continue to rack up for this historic planet-hunting…
This artist's illustration shows two Earth-sized planets, TRAPPIST-1b and TRAPPIST-1c, passing in front of their parent red dwarf star, which is much smaller and cooler than our sun. NASA's Hubble Space Telescope looked for signs of atmospheres around these planets. Credits: NASA/ESA/STScI/J. de Wit (MIT)
Tour Alien Worlds with New Multimedia Treats

February 6, 2019

Explore the plethora of planets outside our solar system with new multimedia experiences from NASA’s Exoplanet Exploration Program…
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