Satellites are watching Earth constantly — and what they reveal is troubling. This documentary uncovers the hidden truths ...

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

Astronomers using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 ...

Astronomers warn that Earth may be at risk from previously undetected asteroids co-orbiting near Venus. Hidden by the Sun’s ...

Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals.

WISPIT 2b is a massive gas giant about five times the mass of Jupiter and approximately 5 million years old, almost 1,000 times younger than Earth.

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground ...

China's Three Gorges Dam has effectively changed Earth's axis by nearly an inch since it was built nearly 18 years ago, ...

We could be overlooking an entire population of asteroids that pose a threat to Earth on the very simple basis that they're extremely hard to see.

An Earth-observing radar satellite launched in July jointly between the U.S. and India has returned its first images of our ...

Scientists discovered molecular fossils that reveal sponges were among Earth’s earliest animals.