On Oct. 1, 1847, at age 29, Maria Mitchell, a studious and sturdy Quaker who, as a child, began sweeping the sky above ...

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted in SOHO images. Credit: NASA's Goddard Space Flight Center Producer: Lacey ...

The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted in SOHO images on March 25, 2024. Full Story: <a href=" Credit: NASA's ...

Multiple people familiar with the White House proposal said cuts to NASA's "Science Mission Directorate" could be as high as ...

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

NASA has significantly lowered the risk of asteroid 2024 YR4 hitting the Earth in 2032 through recent calculations. The moon ...

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

The two NASA astronauts who have been stuck at the International Space Station may be able to return to Earth sooner than expected. In a Tuesday press release, NASA said that SpaceX would switch ...

Astronomers have captured a rare final glimpse of Comet C/2024 G3 (ATLAS) before it vanishes for half a million years.

U.S. Senator Tammy Duckworth (D-IL)—a member of the U.S. Senate Committee on Commerce, Science and Transportation (CST) an ...