The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...

There have been many studies done to better understand how the heliosphere interacts with other elements and what its ...

NASA is targeting liftoff at NET 7:32 a.m. on Tuesday, September 23, from Launch Complex 39A at NASA Kennedy Space Center.

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's IMAP and more.

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

NASA's Nancy Grace Roman Space Telescope will help scientists better understand our Milky Way galaxy's less sparkly ...

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

A Falcon 9 launched an upgraded version of a Cygnus cargo spacecraft to the International Space Station Sept. 14.

Live updates from the NG-23 mission, which launched 6:11 p.m. Sept. 14 from Launch Complex 40 in Cape Canaveral Space Force Station.

Is there a ninth planet out there? Why do some astronomers believe it might exist? Here’s what we know so far.

On Sept. 14, SpaceX launched a Cygnus spacecraft full of supplies and science for NASA astronauts onboard the International Space Station.