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100 years ago: Edwin Hubble proved the Milky Way is not the only galaxy in the universe
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
What Is Dark Energy? The Hidden Force Driving the Universe Apart
Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...
How Webb Telescope’s ‘Little Red Dots’ Nearly Broke Cosmology—and Helped Fix It
Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.
What is the M87 Black Hole?
Messier 87 (M87), also known as Virgo A or NGC 4486, is a supergiant elliptical galaxy in the Virgo constellation. It is one ...
Indian astronomers discover cosmic web filament from 11.7 billion years ago
The discovery was made possible using the Very Large Telescope (VLT) in Chile, operated by the European Southern Observatory (ESO) ...