The Lucy spacecraft is heading to Jupiter's Trojan asteroids. But now it made its 2nd asteroid encounter with the main-belt asteroid Donaldjohanson on April 20.
Astronomers have discovered the most distant known spiral galaxy. It's thought be similar to what our own Milky Way galaxy looked like, 1 billion years after the Big Bang.
New observations by the Webb Space Telescope have reignited the debate about possible life on K2-18b, a potentially habitable exoplanet 124 light-years away.
Observations and sample-return missions show us that space rocks tend to be rich in water, carbon and organic compounds. Yet meteorites on Earth are not. Why?
Astronomers have discovered a Tatooine world that orbits 2 brown dwarfs (failed stars). But strangely, the planet orbits the brown dwarfs at a 90 degree angle.