Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as ...

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

Members of the Flat Earth Society claim to believe the Earth is flat despite scientists explaining how we know the Earth is round since the third century B.C.

Earth has a new friend — and it's been waiting for us to notice it for decades. In a new study published in the journal ...

Our readers continue to grapple with this one, with the latest batch of answers giving a more hopeful response to any readers ...

A team of scientists has detected a colossal geological anomaly, a massive and mysterious change that took place nearly 2,900 kilometers deep, right at the boundary between the Earth’s mantle and the ...

According to a press release, the new facility in Bengaluru is equipped with cutting-edge technology for satellite rendezvous and docking tests. It is the biggest commercial test site for on-orbit ...

Spiral arms are crowded regions of space filled with stars, dust, and gas. As the solar system traveled through them, ...

The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home ...

The Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a ...

Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

A new book imagines what the world would be like if Earth spun faster and faster until days just last two hours.