Exoplanets

Saturn-Sized Exoplanet Isn’t Losing Mass Quickly Enough

We have discovered over 5,000 planets around other star systems. Amongst the veritable cosmic menagerie of exoplanets, it seems there…

1 week ago

TRAPPIST-1 Outer Planets Likely Have Water

The TRAPPIST-1 solar system generated a swell of interest when it was observed several years ago. In 2016, astronomers using the Transiting…

1 week ago

Astronomers Try to Directly Observe Epsilon Eridani b. No Luck. Maybe Webb Can Find it?

Back in the year 2000, Epsilon Eridani b was discovered. It is a Jupiter-like exoplanet 10.5 light years away but…

1 week ago

What Deadly Venus Can Tell Us About Life on Other Worlds

Even though Venus and Earth are so-called sister planets, they're as different as heaven and hell. Earth is a natural…

2 weeks ago

What Can Early Earth Teach Us About the Search for Life?

Earth is the only life-supporting planet we know of, so it's tempting to use it as a standard in the…

2 weeks ago

Did You Hear Webb Found Life on an Exoplanet? Not so Fast…

The JWST is astronomers' best tool for probing exoplanet atmospheres. Its capable instruments can dissect the light passing through a…

3 weeks ago

Is the JWST Now an Interplanetary Meteorologist?

The JWST keeps one-upping itself. In the telescope's latest act of outdoing itself, it examined a distant exoplanet to map…

3 weeks ago

JWST Uses “Interferometry Mode” to Reveal Two Protoplanets Around a Young Star

The JWST is flexing its muscles with its interferometry mode. Researchers used it to study a well-known extrasolar system called…

3 weeks ago

Measuring Exoplanetary Magnetospheres with the Square Kilometer Array

Life on Earth would not be possible without food, water, light, a breathable atmosphere and surprisingly, a magnetic field. Without…

3 weeks ago

Purple Bacteria — Not Green Plants — Might Be the Strongest Indication of Life

Astrobiologists continue to work towards determining which biosignatures might be best to look for when searching for life on other…

4 weeks ago