See the brilliant planet before dawn, low in the eastern sky before dawn and brighter than anything else in the sky, save the Sun and Moon.

The Tethered Observatory for Balloon-based Imaging and Atmospheric Sampling is an idea awarded a NIAC grant by NASA earlier this year.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know.

The Sun goes through an 11-year cycle of activity, going from the solar maximum, where it is covered in many sunspots and is ...

A team of astronomers has detected what they call the most promising signs to date of a possible biosignature, or signs of ...

The initial report was based on observations from the powerful James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts. But the results created a lot of hubbub ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life.

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...

A chemical called dimethyl sulfide popped up in an analysis of exoplanet K2-18b’s atmosphere. On Earth, it’s only made by ...

In this week’s episode of Space Minds, Bill Nye, CEO of the Planetary Society sits down with host David Ariosto. The conversation starts with Bill’s journey but quickly pivots to the ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...