The European Space Agency announced Thursday the Gaia spacecraft was turned off after a decade of data gathering.

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

NASA's Curiosity rover made a compelling find on Mars ' irradiated surface.

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...

Scientists at NASA, analyzing rock samples collected by the Curiosity rover, have discovered the largest organic molecules ...

NASA’s Curiosity rover has detected the largest organic compounds ever found on Mars, while the James Webb Space Telescope ...

While Curiosity mission scientists have previously identified small, simple organic molecules on the red planet, the ...

Scientists found the longest organic molecules ever on Mars — ancient carbon chains that resemble the building blocks of life ...

When NASA's Ingenuity Mars Helicopter attempts its first test flight on the Red Planet, the agency's Mars 2020 Perseverance rover will be close by, as seen in this artist's concept. NASA MARCI ...