Exoplanets

Rocky Planet Found Around 10 Billion-Year-Old Star

Astronomers have found an Earth-size (but not at all Earth-like) planet around an ancient star that has a nice high view of our galaxy.

Star with two suns

Exoplanets

How Amateurs Could Help Future Exoplanet Observations

Large observatories will require precise timing info to measure as many exoplanet atmospheres as possible. Backyard astronomers have the power to keep that intel fresh.

Star with two suns

Exoplanets

NASA's TESS Introduces Us to Our Planetary Neighbors

NASA's TESS mission announces the results from its first year of exoplanet-hunting in the southern sky, introducing us to some of our planetary neighbors.

Pisces–Eridanus stellar stream

Stellar Science

A Nearby Stellar Stream Gets Carded

The stellar stream Pisces–Eridanus may try to pass itself off as a billion years old, but scientists are calling its bluff.

Exoplanets

TESS's First Year of Science

NASA’s latest exoplanet hunter has found more than two dozen new worlds, at least one of which might be habitable.

Confirmed TESS exoplanets

Exoplanets

NASA’s TESS Mission Announces New Planets, Supernovae

The TESS mission announces eight confirmed planets along with hundreds of exoplanet candidates.

Exoplanet-hunting TESS spacecraft

Spacecraft and Space Missions

Looking Ahead: Space Exploration in 2017

An exciting year lies ahead for spaceflight involving astronomy and planetary science — by NASA and by other spacefaring nations.

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