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Astronomy 18 hours ago

Astronomers thought the Milky Way was doomed to crash into Andromeda. Now they're not so sure

For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has become a staple of astronomy ...

Astronomy 21 hours ago

Milky Way's chance of colliding with galaxy billions of years from now? New study puts odds at 50-50

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all.

Astronomy Jun 5, 2025

Largest map of the universe announced revealing 800,000 galaxies, challenging early cosmos theories

In the name of open science, the multinational scientific collaboration COSMOS on Thursday released the data behind the largest map of the universe. Called the COSMOS-Web field, the project, built with data collected by the ...

Space Exploration Jun 4, 2025

Reusable Chinese rocket soft-lands in the ocean in a new test

Chinese rocket startup Space Epoch put on a show recently, with a demonstration test launch of their reusable Yanxingzhe-1 rocket booster.

Astronomy Jun 3, 2025

Webb rounds out picture of Sombrero galaxy's disk

The Sombrero galaxy has long had a place in astronomical history as an intriguing object. The first written record of this galaxy was noted in 1781, almost 250 years ago, by Pierre Méchain, a French astronomer and surveyor. ...

Astronomy Jun 3, 2025

Hubble filters a barred spiral

This NASA/ESA Hubble Space Telescope image features a luminous tangle of stars and dust called the barred spiral galaxy NGC 1385, located about 30 million light-years away. Hubble released an earlier image of NGC 1385, but ...

Astronomy Jun 2, 2025

Close encounters of the galactic kind: Simulations suggest Milky Way and Andromeda may not collide after all

Scientists from Helsinki, Durham and Toulouse universities used data from NASA's Hubble and the European Space Agency's Gaia space telescopes to simulate how the Milky Way and Andromeda will evolve over the next 10 billion ...

Other May 31, 2025

Saturday Citations: Wages vs. welfare; origins of teeth; a search for primordial black holes

A new study of the Gobi Wall in the Gobi highland desert of Mongolia reveals a multifunctional role beyond defense; data from the James Webb Space Telescope is bringing physicists closer to resolving the Hubble tension; and ...

Astronomy May 30, 2025

The search is on for Betel-buddy

Betelgeuse is one of the most well-known stars in the night sky. Located about 640 light years from Earth in the constellation Orion, it's a red supergiant nearing the end of its life, destined to explode as a supernova. ...

Astronomy May 27, 2025

Webb telescope helps refine Hubble constant, suggesting resolution to long-standing expansion rate debate

For the past decade, scientists have been trying to get to the bottom of what seemed like a major inconsistency in the universe. The universe expands over time, but how fast it's expanding has seemed to differ depending on ...

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