A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

There could be life out there—way, way out there. Last Wednesday, NASA announced that its James Webb Space Telescope had ...

Largest ever chunk of Mars which fell to Earth in meteor strike goes up for auction - The sale of the meteorite in New York ...

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

The spacecraft, MethaneSAT, was just a year into its mission to provide a clearer picture of planet-warming emissions from ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

Some planets take the expression "you're your own worst enemy" to the extreme. At least, that's what astronomers found when ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.