NASA has detected a mysterious signal coming from a distant super-Earth called TOI-1846 b, a planet nearly twice Earth's size and four times as heavy.

One lucky bidder will soon fork over millions of dollars to take home NWA 16788, a 54-pound (24-kilogram) Martian meteorite.

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much ...

Living Earth month is a celebration of the planet's biodiversity. Folks can explore new stage shows and daily activities focused on the wonders of the natural world ...

CAPE CANAVERAL, Fla. (AP) — The International Space Station’s first visitors from India, Poland and Hungary headed back to ...

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...

Engineers at NASA’s Jet Propulsion Laboratory in Pasadena, California, modified the backup Mariner 4 spacecraft to operate closer to the Sun, and on June 14, 1967, NASA launched Mariner 5 on a 127-day ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

Efforts to clean up air pollution in China and across East Asia may have inadvertently contributed to a spike in global warming, a new study has found. The decline in aerosol emissions — which can ...

Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this ...