As another world around TRAPPIST-1 shows no signs of an atmosphere, astronomers urge us not to give up hope for an Earth-like ...

Astronomers had hoped to observe an atmosphere on one of the seven planets known to orbit Trappist-1, a red dwarf star. A new ...

One such planet, known as exoplanet TRAPPIST-1 d, has intrigued astronomers looking for possibly habitable worlds beyond our ...

The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is ...

When global events set our minds to wondering if humanity has what it takes to persist, it's natural to wonder about other worlds, other life, other intelligent species, and if those others might be ...

The TRAPPIST-1 system, home to seven Earth-sized planets orbiting a red dwarf star, has long been a target for astronomers ...

Three out of seven Earth-sized planets in the TRAPPIST-1 system are likely without an atmosphere, ruling them out as ...

With seven rocky planets, the planetary system of TRAPPIST-1 is one of the most exciting of all. Now another one has turned out not to be Earth-like.

TRAPPIST-1 opens up an exciting field for astronomers: a small, nearby, compact planetary system with seven Mars- to Earth-size worlds orbiting in days or weeks instead of months and years.

TRAPPIST-1 is much smaller and dimmer than our sun, so actually pinpointing the habitable area of its orbit is difficult to do. Therefore, learning all we can about this star now could help us ...

The TRAPPIST-1 planets are easier to measure because they orbit in sync; together, the seven exoplanets form a resonance chain connecting them all together and suggesting a slow, peaceful evolution.

The nearby TRAPPIST-1 star system’s seven rocky planets have compositions that appear to be both low in density and maybe even shockingly similar, an international team of astronomers reported ...