Earth’s ‘fingerprint’ could help find habitable exoplanets

A new "biosignature" for our own planet may help astronomers find exoplanets that could support life—or other worlds that already do.

McGill University • futurity
Aug. 28, 2019 ~5 min

Microbes in secret Arctic salt water hint at alien life

Microbes from salty, subzero waters in the Arctic could give researchers a glimpse of the kinds of environments where they might one day find alien life.

Hannah Hickey-UW • futurity
July 22, 2019 ~6 min

Gas on Saturn’s moon could be ‘free lunch’ for alien life

The oceans on Saturn's moon Enceladus may have the chemical fuel necessary for life. If there's any around, that is.

Peter Kelley-U. Washington • futurity
June 24, 2019 ~5 min

TRAPPIST-1’s ‘habitable’ planets might be lousy for life

A shower of high-energy particles and nearby planets' gravitational pull may make planets in the "habitable zone" of the TRAPPIST-1 system anything but.

Emily Walla-Arizona • futurity
April 21, 2019 ~8 min

How old is Earth’s inner core? We finally know

Our planet is 4.5 billion years old, but its inner core may be a lot younger.

Lindsey Valich-Rochester • futurity
Jan. 31, 2019 ~6 min

Nope, oxygen on exoplanets doesn’t always mean life

New research debunks the conventional wisdom that oxygen and organic compounds in the atmosphere are strong evidence of alien life.

Chanapa Tantibanchachai-Johns Hopkins • futurity
Dec. 17, 2018 ~4 min

Why we need a new telescope to search for alien life

A new report recommends we build a telescope to directly image Earth-like exoplanets. Astrophysicist Bruce Macintosh explains why that's a good idea.

Ker Than-Stanford • futurity
Oct. 28, 2018 ~1 min