Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...
About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...
Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds. For decades, scientists have debated the origin of Earth's water. One ...
About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...
Interstellar comet 3I/ATLAS is the focus of the eighth official UN and IAWN planetary-defence exercise, running from November ...
Scientists have finally confirmed a powerful coronal mass ejection from another star, using LOFAR radio data paired with ...
NASA has finally published several observations of interstellar comet 3I/ATLAS that were taken during the long government ...
Long without a leader, NASA finds plenty of support among the space community for billionaire Jared Isaacman, including from ...
A coalition led by the Planetary Society has voiced its support for Jared Isaacman, President Donald Trump's pick to lead ...