According to the Big Bang theory, normal matter composed of protons, neutrons, and electrons should account for roughly 5% of ...

For more than three months, a pair of observatories, positioned on either side of the Sun, managed to track an active region ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Observations of ultra-massive galaxies, each containing more than 100 billion stars, show that less than 2 billion years ...

Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones ...

From ancient stargazers to modern-day space scientists, women have shaped our understanding of the cosmos. This crossword ...