Mar 7, 2025 · What Exactly is Dark Energy? Right now, dark energy is just the name that astronomers gave to the mysterious "something" that is causing the universe to expand at an …

Mar 19, 2025 · Everything scientists can observe in the universe, from people to planets, is made of matter. Matter is defined as any substance that has mass and occupies space. But there’s …

Feb 8, 2024 · The new mission will advance the exploration of the dark energy mystery in ways that other telescopes can’t by mapping how matter is structured and distributed throughout the …

Feb 27, 2004 · Hubble observations suggest the dark energy may be Einstein's cosmological constant, an energy percolating out of the vacuum of the space between galaxies. The energy …

Oct 22, 2024 · Dark matter and dark energy are mysterious substances that affect and shape the cosmos, and scientists are still trying to figure them out. The universe is made up of three …

Nov 16, 2006 · Scientists using NASA's Hubble Space Telescope have discovered that dark energy is not a new constituent of space, but rather has been present for most of the …

Oct 22, 2024 · Hubble made the key observations that led to the discovery of dark energy. Astronomers looked at a special kind of supernovae, called Type 1a, that give off a set amount …

Team Preps to Study Dark Energy via Exploding Stars With NASA’s Roman 6 min read The universe is ballooning outward at an ever-faster clip under the power of an unknown force …

Sep 20, 2016 · In the early 1990s, scientists believed that gravity should be slowing the expansion of the universe. However, in 1998 observations of very distant supernovae showed that a long …

Jan 2, 2024 · Help illuminate the mystery of dark energy - the unknown force that is driving galaxies away from one another! Dark Energy Explorers are creating the largest and most …