Pluto may have been downgraded from full-planet status, but that doesn't mean it doesn't hold a special place in scientist's ...

New Horizons encountered Ultima 6.5 billion km from Earth. The event set a record for the most distant ever exploration of a Solar System object. The previous mark was also set by New Horizons ...

For now, she says, it’s safest and most reliable to navigate and command spacecraft from Earth. Meanwhile, the New Horizons mission continues. A billion miles beyond Pluto, Jackman says two ...

NASA's Hubble Space Telescope and New Horizons missions have observed Uranus, providing different ... [+] views from across the solar system, to help the study of exoplanets. Two of NASA'’s most ...

Also, at the time of the observations, New Horizons was on the far side of Uranus, 6.5 billion miles away, allowing its ...

This simultaneous observation took place in September 2023, with Hubble observing Uranus from its low-Earth orbit, while New ...

In 2006, the year New Horizons was launched, Pluto vanished from the list of planets and reappeared as a “dwarf planet.” That, of course, had more to do with astronomers on Earth than any ...

The moment Alan Stern (L) had confirmation that New Horizons had flown by the Kuiper Belt object "There was the prevailing theory from the late 1960s of violent collisions and a more recent ...