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Scientists say Ultima Thule, a newly explored world out beyond Pluto, is a relic from our solar system’s earliest days.
Roman was one of the first female executives at NASA, its first chief of astronomy and she played an instrumental role in making the Hubble Space Telescope a reality. She died on Dec. 25.
NASA’s Charlie Sobeck, former manager of the Kepler Space Telescope mission, discusses the monumental findings of the spacecraft and NASA’s decision to retire it in orbit.
Astronomers have found a distant dwarf planet that appears to confirm the existence of Planet Nine, a giant planet lurking in the outer reaches of the solar system.
Vice President Pence said in a speech Thursday that the Space Force, which would be the military’s sixth branch, will “prepare for the next battlefield” and “a new generation of threats.”
The sun is responsible for all life on Earth, but we still have a lot to learn about it. So this summer, NASA is sending the Parker Solar Probe closer to the sun than we have ever been before.
Billionaire Richard Branson wants to be on the “first official flight” to see space as a tourist by the end of 2018. His company’s latest test flight reached heights of more than 32 miles.
Astronomers have found 12 more moons orbiting the planet Jupiter. These moons are all small — just 5 kilometers or less across — and one of them behaves very strangely.
The late scientist’s voice will be “beamed toward the nearest black hole,” his daughter tells the British press. Hawking is being interred at Westminster Abbey on Friday.