It was SpaceX's third Project Kuiper launch and the sixth overall dedicated to building out the nascent network, which will ...

Brown dwarfs: too small to be stars, too big to be planets. Only discovered in the 1990s, these in-between cosmic objects aren’t big enough to burn as hot and bright as a true star, instead usually ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with perfectly synchronized orbits. It was also the start of a whirlwind of discovery.

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min The permit filings indicate the ...

Rising around midnight and nearly 50° high in the south two hours before sunrise is Orion the Hunter, one of autumn’s premier constellations. As the season progresses, Orion will rise earlier and ...

Many of the most interesting bodies in our Solar System aren’t planets, but the moons that orbit them. They have active volcanoes, hydrocarbon oceans, geysers, and moon-wide oceans buried under icy ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the one orbiting Earth could potentially form. "Moons likely outnumber planets ...

The team of astronomers behind the find suggested it could help us better understand planet and moon formation in our solar system and beyond the Milky Way. The team was able to make the first-ever ...

With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life. (At least, life as we know it.) But assessing habitability is a difficult ...

An exoplanet has been discovered orbiting Barnard's star by the European Southern Observatory’s Very Large Telescope. Barnard's stars is the closest single star to Earth. Credit: ESO Judge quotes wife ...