A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

NASA Hubble's top images showcase a forming protostar, Arctic sea ice patterns, a dying star's planetary nebula, the ancient ...

Now, the powerful space telescope has pushed it to the edge closer to home in our very own galaxy, the Milky Way. A team of ...

So far, searches for the hypothetical Planet Nine have yielded no such world. There are many possible reasons for this, one ...

NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and the moon were ...

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

When Sarah Gillis performed ‘Rey’s Theme’, a piece John Williams composed for Star Wars: The Force Awakens, her concert hall ...

IT is easy to feel like we know nothing about our universe, and unexplained stellar objects are the most puzzling feature of ...

Astronomers have directed NASA’s James Webb Space Telescope to examine the outskirts of our Milky Way galaxy. Scientists call ...

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

A gorgeous new image from the James Webb Space Telescope shows a bustling region of star formation at the distant edge of the ...