NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

Scientists using data from the European Space Agency’s Gaia mission have made a groundbreaking discovery: a massive exoplanet ...

Two strange, icy objects in our galaxy that look unlike anything astronomers have ever seen could be an entirely new kind of star. In 2021, Takashi Shimonishi at Niigata University in Japan and ...

To tackle this puzzle, Malhotra and colleagues considered a less-examined scenario: that a visiting star-size object tweaked these planets' paths around 4 billion years ago. Related: Giant 'kidney ...

Trace and Count: Combine number tracing with counting exercises. For example, the worksheet can ask children to trace the number “3” and then count three objects, such as three apples or three stars, ...

Of all the mysteries that the massive James Webb Space Telescope has seen so far in the early universe, one of the strangest are objects that astronomers now call "little red dots." Like the ...