Alien comet 3I/ATLAS just swept past Mars. When will it return to our skies? There's been a lot of hype and rumours about ...

The dream of living on another planet has intrigued scientists, engineers, and explorers for a long time. Now, the dream is ...

Reanalysis of NASA's Pioneer Venus mission data reveals that Earth's twin contains 62% water in hydrated compounds.

Scientists like Avi Loeb spotlight anomalies hinting at alien tech as it hurtles past Mars on 3 October. NASA & ESA track ...

WUHAN, China (AP) — Coco Gauff reeled off four straight games to beat Jessica Pegula 6-4, 7-5 and win the Wuhan Open on Sunday in all-American final. The 21-year-old Gauff won her second title of the ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The earliest such attempts date to Nikola Tesla in 1899. Where, and how, are we listening today? What are we hoping to hear?

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

NASA is considering approving by next April up to two planetary science missions from four proposals under review, including one to Venus that scientists involved in the project said could help ...

What about those previously studied plumes of methane and meteorites potentially stuffed with the fossils of Martian microbes?

The surface of Venus is scoured with strange, quasi-circular features called coronae. Unlike anything seen on Earth today, they can stretch hundreds of miles in diameter, even going past the thousand ...

Venus is often called Earth's "sister planet" because of their similarities in size, mass, and composition. Both are rocky worlds that formed about the same time in the inner solar system; however, ...