Space exploration, scientific discoveries, astronomy, and physics.
265 articles
The James Webb Space Telescope's advanced capabilities have revealed that the universe likely contains at least two trillion galaxies, a significant increase from previous estimates. This discovery reshapes our understanding of cosmic evolution and the potential for life beyond Earth.
February 2026 skies offer a planetary parade and lunar eclipse. Meanwhile, JWST's 'little red dots' may be direct collapse black holes, and new research suggests the Milky Way's center could be a dark matter blob, not just a black hole.
New simulations suggest that direct collapse black holes, a theorized rapid formation pathway, may explain the existence of supermassive black holes in the early universe. Evidence comes from matching JWST spectral data.
2025 has been a banner year for astronomy, with breakthroughs ranging from averted asteroid threats to the first images from the Rubin Observatory and tantalizing hints of life on exoplanet K2-18b. The year's top discovery was the interstellar comet 3I/Atlas, offering unique insights into alien solar systems.
The James Webb Space Telescope has discovered enigmatic "platypus galaxies" in the early universe. These objects exhibit unusual spectral properties, challenging current models of galaxy formation and potentially revealing new insights into quasar activity or the birth of the very first galaxies.
New analysis of asteroid light curves is revealing unprecedented details about their rotation, shape, composition, and density. This technique allows scientists to understand these celestial bodies without direct contact, offering vital insights for planetary defense and understanding solar system origins.
Scientists estimate there are at least two trillion galaxies in the observable universe. This staggering number is derived not by direct counting, but by sampling small regions of the sky, extrapolating based on the universe's age and expansion, and accounting for observational limitations.
Our current estimates place the number of galaxies in the observable universe at a staggering two trillion. Counting them individually, even at one per second, would take an immense 62,000 years, highlighting the vastness of space.
Six planets, including Mercury, Venus, Saturn, and Jupiter, will be visible in the night sky during a rare alignment from late February to early March 2026. Telescopes will reveal Uranus and Neptune, offering a stunning celestial parade.
The multiverse, a vast ensemble of universes, is explored as a potential explanation for cosmic fine-tuning. While criticized as unfalsifiable, proponents argue it arises naturally from theories like string theory and eternal inflation, and can be indirectly tested.
