In their report, Lal and Myers estimate it would cost about $800 million annually for five years to build and deploy a ...

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

Boy, how the world has changed over the past 10 years, but perhaps not as profoundly as our understanding of another, more ...

Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

The new findings on exoplanet TRAPPIST-1d, published in The Astrophysical Journal on Wednesday, mirror similar results for ...

NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest ...

An ultra-short period planet is spiraling toward destruction within 31 million years. Its extreme heat and dense composition reveal a violent past. Our circumstances here on the wondrous, ...

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

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

Using the James Webb Space Telescope (JWST), astronomers have observed a young brown dwarf known as Cha Hα 1. As a result, ...

A conceptual mission known as "Persephone" could explore Pluto and its moons for 50 years — if it ever gets funded and ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...