Harvard physicist Avi Loeb revealed that the object is expected to approach Earth on December 17, speeding through the solar ...

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

The European Space Agency (ESA) has detected what could be only the third known object to enter our solar system from ...

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 discovered “compelling evidence” of a planet that is potentially habitable. The ...

An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would be the third visitor from the stars ever detected, the European Space ...

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 ...

"NWA 16788 is a discovery of extraordinary significance — the largest Martian meteorite ever found on Earth, and the most ...

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 ...