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New evidence from the GW200105 event reveals a neutron star and black hole merging on an eccentric orbit, challenging established circular models. The findings suggest a crowded cosmic origin, resulting in a black hole 13 times the sun's mass.

Scientists have uncovered the first robust evidence of a black hole and neutron star crashing together while orbiting in an oval path

Scientists have uncovered the first robust evidence of a black hole and neutron star crashing together while orbiting in an oval path, challenging long-standing assumptions about cosmic pair formation. Most neutron star-black hole pairs are expected to adopt circular orbits long before merging, their orbits slowly rounded out by the constant emission of gravitational waves over millions of years.

Understanding Starless Moons: This illustration depicts how moons without stars maintain warmth through tidal heating and atmospheric protection, where high-pressure hydrogen atmospheres play a crucial role in trapping heat, offering parallels to early Earth conditions and hinting at prolonged liquid water presence.

Far from the warmth of any star, moons orbiting rogue gas giants might harbor oceans of liquid water

Far from the warmth of any star, moons orbiting rogue gas giants might harbor oceans of liquid water—and potentially complex life—for billions of years. Liquid water is considered essential for life. Surprisingly, however, stable conditions that are conducive to life could exist far from any sun.

Innovative Circular Space Economy: Paving the Way for Sustainable Space Exploration and Reducing Atmospheric Impact.

A wave of satellite launches and reentries is changing the chemistry and physics of the middle and upper atmosphere.

Look up on a clear night and you'll see the streaks of our modern satellite networks. What you don't see is the growing fallout for the atmosphere that keeps us alive. A wave of satellite launches and reentries is changing the chemistry and physics of the middle and upper atmosphere. Studies warn of ozone depletion, stratospheric heating, and new metal aerosols from burning spacecraft.

Illustration of the formation of a magnetar following a superluminous supernova (SN 2024afav), highlighting the role of extreme magnetic fields and the unique 'chirp' signal produced by general relativity. It showcases the dynamic processes like the rapidly spinning neutron star, the lens-thirring wobble, and the resultant light oscillations.

Astronomers have witnessed the birth of a highly magnetized, spinning neutron star

Astronomers have witnessed the birth of a highly magnetized, spinning neutron star, confirming it as the hidden engine behind some of the brightest exploding stars in the cosmos. Superluminous supernovae—which can be 10 or more times brighter than run-of-the-mill supernovae—have puzzled astronomers since their discovery in the early 2000s. They were thought to result from the explosion of very massive stars, perhaps 25 times the mass of our sun, but they stayed bright much l

"Detailed Infographic Depicts the Observation of a Distant Planetary Collision, Offering Insights into Earth's Origins: A Study of Grazing Impacts Leading to Catastrophic Events, Mirrored in the Earth-Moon System, With Predictions for Future Discoveries."

Anastasios Tzanidakis was combing through old telescope data when he found an otherwise boring star acting very strangely.

Anastasios Tzanidakis was combing through old telescope data when he found an otherwise boring star acting very strangely. What he uncovered was the violent birth of a dust cloud—the aftermath of two planets colliding. The star, named Gaia20ehk, is located about 11,000 light-years from Earth near the constellation Puppis. It was a stable "main sequence" star, much like our sun, which meant that it should emit steady, predictable light. Yet this star began to flicker wildly.