Parker Solar Probe’s record speed of about 430,000 miles per hour was achieved not mainly through engine power, but through gravity and careful orbital design. Launched in August 2018 aboard a Delta I
Astronauts on the International Space Station (ISS) are not experiencing “zero gravity” in the literal sense. The station orbits about 400 kilometers above Earth, where gravity is still about 90% as s
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A 2015 study by Japanese researchers found that when humans and dogs make mutual eye contact, both species release oxytocin, a hormone strongly linked to social bonding. This “positive feedback loop”
Mount Everest is the highest point on Earth above sea level, with an official height of 8,848.86 metres, but it is not the point farthest from the planet’s centre. That distinction belongs to Chimbora
Transit 5B-5, a U.S. Navy navigation satellite launched on December 28, 1964, remains in orbit, still transmitting, and still detectable by amateur radio operators more than 60 years later. It was par
Lunokhod 1, the Soviet Moon rover that stopped responding in 1971, was rediscovered as a scientific target in 2010 after nearly 40 years of uncertainty about its exact location. Launched on November 1