Oct 2, 2026Discover the Big Bang theory: how the universe began 13.8 billion years ago from a single point and expanded into what we see today.

Sep 27, 2026Discover how spiral galaxies are symbolized in astronomy with their distinctive swirling arms and central bulge in images and diagrams.

Sep 23, 2026Discover why 1 hour on the planet in Interstellar equals 7 years on Earth, explained through Einstein's gravitational time dilation near a black hole.

Sep 23, 2026Explore how time slows down near a black hole according to Einstein's theory and what it means for observers and explorers.

Sep 7, 2026Discover why astronauts cannot see black holes directly and how advanced technology helps visualize their effects from space.

Sep 5, 2026Discover the smallest measurable time unit in the universe—the Planck time—and why it defines the limits of conventional time measurement.

Jun 29, 2026Explore how gamma-ray bursts can devastate planets and potentially cause mass extinction if occurring near Earth.