YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

Europe's HERA mission has taken a good look at Mars and its moon Deimos on its way to explore the aftermath of the DART ...

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

A new study suggests that ... ESO Observations Help Almost Fully Rule out 2024 YR4 Asteroid Impact Feb. 25, 2025 — New observations of 2024 YR4 conducted with the European Southern Observatory's ...

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

While astronomers at NASA and the European Space Agency have been mapping the giant asteroids that crisscross Earth’s orbit, he says, comets are much more difficult to track and therefore might ...