"We were very surprised to see that the same tiny plasma jets appear to be driving both the fast and the slow solar wind." ...

Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

Astronomers have officially announced the name of the largest structure in the known universe. It was reported earlier this ...

Astronomers have discovered what is believed to be the largest structure in the universe, more than 1.4 billion light-years across and containing seventy galactic superclusters. Our solar system is a ...

Astronomers may have found a star racing through our galaxy at an incredible speed—dragging a planet along with it! If ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

Astronomers mistook a car SpaceX blasted into space years ago as an asteroid. The brief mix-up highlights the sometimes ...