Following is a summary of current science news briefs.
NASA space probe 'phones home' in landmark mission to solar system's edge
NASA's New Horizons explorer successfully "phoned home" on Tuesday after a journey to the most distant world ever explored by humankind, a frozen rock at the edge of the solar system that scientists hope will uncover secrets to its creation. The nuclear-powered space probe has traveled 4 billion miles (6.4 billion km) to come within 2,200 miles (3,540 km) of Ultima Thule, an apparently peanut-shaped, 20-mile-long (32-km-long) space rock in the uncharted heart of the Kuiper Belt. The belt is a ring of icy celestial bodies just outside Neptune's orbit.
China 'lifts mysterious veil' with probe landing on dark side of the moon
A Chinese space probe successfully touched down on the far side of the moon on Thursday, state media said, hailing it as an historic first landing on a mission seen as an important step for China's space program. Chinese state television said the Chang'e-4 lunar probe, launched in December, made the "soft landing" at 0226 GMT and transmitted the first-ever "close range" image of the dark side of the moon.
(With inputs from agencies.)
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