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What does it take to catch up with a small, tumbling rock hundreds of thousands of kilometers from Earth? For China's Tianwen-2 mission, the answer was a 400-day chase covering roughly 1 billion kilometers (621 million miles) of deep space—one that has just ended in success. The

Atlantic tarpon are famous for their long-distance migrations, traveling hundreds or even thousands of miles (hundreds to thousands of kilometers) along the Gulf and Atlantic coasts. But where they feed along those journeys has remained largely unknown until now.

In tonight's edition, Ebola is spreading beyond its original hotspot in the DRC as a new case has been detected nearly 600 kilometers away. And another human rights catastrophe is unfolding in Sudan around the besieged city of al-Obeid, the UN says.

You hop on the treadmill, set your pace and easily knock out a couple of kilometers (about 1.2 miles). Then, a few days later, you head outside to run the same distance. You try to keep the same speed you did at the gym, but it destroys you.

After a yearlong flight of a billion kilometers, a Chinese space probe is set to take samples from an asteroid. The mission is part of what President Xi Jinping calls the country's "space dream."

Description NASA’s Perseverance rover appears as a green speck on the Martian surface on June 13, 2026, a day before the robotic explorer marked a distance milestone, having traveled a full marathon (26.2 miles, or 42.195 kilometers) on the Red Planet. Perseverance reached that d

After its rocket explosion, Blue Origin wants to complete repairs and put another New Glenn on the launch pad before the end of 2026, according to CEO Dave Limp. That's very ambitious.

With the speed at which the rover completed this marathon, and how well it continues to explore on Mars, who knows, maybe Perseverance will be the first to manage an ultramarathon on the Red Planet.

This star's light left its surface around the same time that the U.S. was founded. O recorte ajuda a contextualizar a pauta dentro de Lifestyle.

This star's light left its surface around the same time that the U.S. was founded. O recorte ajuda a contextualizar a pauta dentro de Lifestyle.

Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission suggest.

Japan's Hayabusa2 asteroid probe got up close to asteroid Torifune on July 5 and captured stunning new images of the double-lobed space rock.