A figure in red trudges across a blanket of white. Snow squeaks under the scientist's feet, too dry to be slick or soft. Only ...

The Vera C. Rubin Observatory has already uncovered two previously unknown companions of the Milky Way using preliminary observations covering just 7% of the night sky. The discoveries include an ...

The Vera C. Rubin Observatory discovered the dwarf galaxy Aquarius IV and the star cluster Rubin-GC1 in preliminary ...

Simulations suggest the faintest galaxies near the Milky Way share one iron level because a single giant first star exploded in each.

The video explains why the familiar flat orbit diagram is a Sun-centered view and shows how Earth and the other planets move ...

One of NASA’s premier space telescopes plunged to Earth on Wednesday, ending its 22-year investigation of the universe’s ...

Can you still see the Milky Way from your city? An analysis of 50 Indian cities reveals that only six have skies dark enough ...

Hydrogen cyanide was crucial for early Earth chemistry. A new study says comets almost certainly didn’t deliver it like we’d previously thought.

The study asserts that it is very unlikely that comets brought ingredients of life to Earth because most of them would not ...

Last week, we explored the wonders of our universe, from Perseverance's record-setting journey across Mars and the city of ...

An old NASA space telescope is expected to crash back to earth Wednesday after a failed rescue attempt — nearly 22 years ...