Astronomy

One of the biggest cosmological mysteries centers on a discrepancy in how fast the universe is expanding. A new study comes to an intriguing solution by applying a modified theory of gravity and an unsettling “supervoid” that our galaxy resides in.

Earlier this year, it was reported that Earth was hit by the brightest gamma-ray bursts seen since the dawn of civilization. Now, a team of astronomers has assigned a value to the energy contained in those blasts and it's staggering to say the least.

Astronomers have witnessed a phenomenon never seen before, a luminous fast blue optical transient (LFBOT) emitting more energy than hundreds of billions of stars the size of the Sun. Dubbed the Tasmanian Devil, it threw out energetic flares for months.

The James Webb Space Telescope may have been touted a successor to Hubble, but the old-timer still has some life left in it. These two iconic instruments have now teamed up to take a deep-field image of the colorful “Christmas Tree galaxy cluster.”

You can breathe easy and take the sticky tape off the windows because the solar system won't be hit by the rogue white dwarf WD 0810-353 in 29,000 years. ESO’s Very Large Telescope (VLT) shows that early calculations were a bit off.

NASA’s asteroid-exploring spacecraft Lucy has made its first up-close observations – and discovered something unexpected. The asteroid Dinkinesh not only has a small satellite orbiting it, but that mini-moon is made up of two objects stuck together.

ESA has released the first five images from its Euclid space telescope that reveal unprecedented high-resolution pictures that cover large areas of the sky in a single shot, demonstrating its capabilities for its upcoming dark matter survey.

Astronomers have discovered evidence of a theorized type of black hole lurking in the distant universe. Known as an “Outsize Black Hole,” this object could help explain some fundamental cosmic mysteries, including how supermassive monsters form.

Move over TRAPPIST-1 – there’s an exciting new planetary system in town. Meet Kepler-385, home to seven Super-Earths that were just discovered in existing data.

Astronomers have detected one of the most energetic explosions in the history of the universe: a gamma ray burst from a neutron star collision. For the first time ever, heavy metals were detected in the explosion, totaling hundreds of Earths in mass.

Next month, NASA will place a new piece of equipment on the International Space Station. It will examine a phenomenon known as Earth's airglow for signs of weather-produced waves that can reach the mesopause and disrupt satellite communications.

Astronomers have picked up a radio signal from eight billion years ago, meaning it’s traveled across the observable universe to get here. Thanks to its extensive experience in the cosmos, the signal can actually help us track down “missing” matter.