With a few brief exceptions, NASA's New Horizons probe has been asleep since 2006 while it zooms toward Pluto. But it's almost time for the craft to wake up and dial in on the former planet. Amy tells us what the plucky probe will be studying.
Our solar system has a handful of bodies exhibiting some strange, highly elliptical orbits. Are they being pulled by a massive planet WAY out there beyond Neptune? Amy Shira Teitel examines what might be causing these objects to behave so oddly.
Eruptions could have kept planet warm enough for liquid water to intermittently flow across its ancient surface, suggests a new study.
Scientists tested a scaled-down version of the external occulter in the Nevada desert.
Welcome to HL Tauri -- a star system that is just being born and the target of one of the most mind-blowing astronomical observations ever made. Continue reading â†’
Hubble has completed a detailed survey of stars with dusty circumstellar disks -- but their stunning variety has been a surprise to astronomers.
The discovery of a Uranus-like planet orbiting a very distant star could tell us a great deal about our own ice giants.
Just 14 million years after the start of the solar system, Earth and the rest of the inner planets were inundated with water, setting back the clock for when life could have evolved.
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