Here’s what deep-space objects are, what optics you’ll need to see them and how to plan your observing. When you purchase ...

HBO Max just added the Alien movie special editions to celebrate Alien Day; here are all the major differences between the ...

NASA’s TESS uncovers 11,554 exoplanet candidates in the T16 planet hunt, including more than 10,000 new ones around faint ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

A powerful new space telescope could expose dark energy, map billions of galaxies, and uncover alien worlds at an ...

Breakthrough Listen will scan the the skies with the aid of the MeerKAT Telescope. They are targeting a million nearby stars. [NASA's Planet-Hunting Probe Joins the Search for Intelligent Aliens] Cred ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

If you’re willing to sacrifice a little sleep, the sky has something rare waiting for you this month. One of the most exciting skywatching events of the year is slowly blazing its path toward Earth, ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re willing to sacrifice a little sleep, the sky has something rare waiting for you this month. One of the most exciting ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. Most of us know the story of Moby-Dick, the 1851 novel by Herman Melville that dots many ...

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met with skepticism by an American colleague. Trump's cabinet asked to invoke ...