At around 8 a.m. local time on Oct. 1, Skip Horner stood atop the highest peak in Africa, Mount Kilimanjaro. It was his 33rd time at the top of the mountain in 42 years. It was also his last.

After 50 years, the Soviet Union's Kosmos 482 Descent Craft, intended for Venus, made an uncontrolled re-entry into Earth's ...

Hold onto your sense of balance. Scientists have found fresh proof that Earth doesn't just drift through space — sometimes, ...

Join the Next Meridian Expedition! Nick & Mathilde are road-tripping the world in their Land Rover Defender, exploring new ...

The asteroid, with a diameter of about 950 feet will come close enough to Earth on Friday to warrant astronomers keeping a ...

An out-of-control Soviet ... but its launcher never escaped Earth’s gravity. Now, the descent craft will come down at a point between 52 degrees north and south of the equator.

Artist's impression of a satellite burning up as it travels through Earth's atmosphere. (David Ducross/ESA via SWNS By Dean Murray An out-of-control ... and south of the equator.

These shifts, projected through detailed climate change and solar radiation models, map out when life on Earth will end, not as a sudden collapse but as a slow and irreversible decline.

An out-of-control Soviet ... but its launcher never escaped Earth’s gravity. Now, the descent craft will come down at a point between 52 degrees north and south of the equator.

Arcadia Earth is debuting the first installment of its four-part immersive film at the Liberty Science Center’s planetarium from April 19-27, with a 360° exploration of humanity, and nature.

But a rarely seen angle of Earth is now freaking people out. In a viral post on X, which has been seen more than 33 million times, a user shares a picture of 'the side of planet Earth we aren't ...

The rings are too close to Saturn to be solid, because the same type of forces that cause Earth’s tides would ... The rings are aligned with the planet’s equator, so we see the northern ...