Discover why Earth's asteroid belt is disappearing and what this means for the future of our solar system, including ...

A new study reveals that the asteroid belt is slowly disappearing, offering insights into its long-term fate and what this ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe works, a telescope captures something that doesn’t fit any existing theory.

Times listed are from The Sky This Week by Astronomy magazine, calculated for 40°N, 90°W. Central Wisconsin observers can expect sunrise, ...

Astronomers have reportedly discovered a skyscraper-sized asteroid moving through our solar system at a near record-breaking pace. The asteroid, named 2025 SC79, circles the sun once every 128 days, ...

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white dwarf. Though Earth-sized, this dense remnant will retain much of the ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...

Astronomers recently peered deep into space and found that an old, faint white dwarf named LSPM J0207+3331, located about 145 light-years away, is still consuming the rocky remains of its former ...

A 3-billion-year-old white dwarf, the core of a dead star, consumed an exoplanet from its former planetary system. Credit: NASA / ESA / Joseph Olmsted illustration A dead star core about 145 ...

An asteroid with the second-fastest unique orbit in the solar system—one that sees it traveling a complete run around our star in just 128 days—has been found hiding in the sun’s glare. Known as 2025 ...