New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

As NASA rolls out more powerful telescopes in the future, scientists will need a way to determine where to point them. A new ...

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

The Trump administration has released its final budget proposal and in response, many have expressed concernthat it will ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Saturn's moon Titan has an atmosphere that spins with a tilt completely separate from the moon's surface rotation.

The icy surface of Jupiter 's moon Europa appears to be constantly changing, new data from the James Webb Space Telescope has ...

Researchers estimate that MoM z14 was created 280 million years after the Big Bang, 10 million years earlier than the ...

As the bright star Regulus and the Beehive Cluster shine close by. The moon will appear to skip over Mars between the nights ...