ASTRONOMY

The first alien civilization we find might already be nearing its end

A scientist suggests our first alien signal may come from a loud, unstable civilization in crisis.
1 hour ago

Astrophotographer livestreaming 3I/ATLAS at closest approach says he doesn't 'believe it is a comet'

Texas astrophotographer Raman Madhira is questioning the object’s identity, claiming it fails to meet the standard criteria for a comet.
3 hours ago

A closer look at the latest 3I/ATLAS image in X-ray light: What ESA's XMM-Newton observed

Most telescopes capture comets in visible light, but XMM-Newton deployed its high-sensitivity EPIC-pn camera for a 20-hour deep dive into 3I/ATLAS.
6 hours ago

Does Saturn's moon Titan really have an underground ocean? New study raises doubts

Research suggests Titan lacks a unified sea; instead, it may have a 'slushy' interior where liquid water exists only in scattered pockets.
1 day ago

New Cassini data suggest Saturn’s rings are thicker than they appear

Data shows microscopic particles floating at distances 3 times the planet's radius, revealing a massive vertical scale to the supposedly 'flat' rings.
1 day ago

Solar wind from giant coronal hole expected to hit Earth just before 3I/ATLAS' closest approach

A pair of massive solar eruptions, known as coronal mass ejections, was detected on December 16 and is currently on a direct collision course with Earth.
2 days ago

NASA's James Webb Space Telescope finds a lemon-shaped exoplanet with a never-before-seen atmosphere

Officially labelled PSR J2322-2650b, this Jupiter-mass planet has been deformed into a bizarre lemon shape by the sheer, crushing gravity of its host star.
2 days ago

Astronomers spot possible 'first-of-its-kind superkilonova' from two separate stellar explosions

The new candidate, AT2025ulz, initially acted like a kilonova, only to later mystify scientists by morphing into what appeared to be a common supernova.
2 days ago

3I/ATLAS' anti-tail longer than Earth–Moon distance, Harvard's Avi Loeb reiterates technological possibility

The average distance between Earth and the Moon is 384,400 kilometers (about 238,855 miles).
3 days ago

Comet 3I/ATLAS displays greenish hue in new Gemini North images

Captured by the Gemini Multi-Object Spectrograph on November 26, 2025, this striking green hue replaces the comet's previously observed reddish color.
4 days ago

Uranus and Neptune may be more rocky than icy, new study reveals

'The ice giant classification is oversimplified as Uranus and Neptune are still poorly understood,' said experts.
4 days ago

NASA’s Parker Solar Probe caught the unexpected—the Sun's solar wind making a U-turn

The discovery is based on observations made during the probe's record-setting dive in December 2024, when it came within a mere 3.8 million miles of the Sun.
7 days ago

Earth's atmosphere hidden on the Moon may prove to be life-sustaining for future astronauts

University of Rochester researchers have evidence that Earth's magnetic field may have funnelled key elements from our atmosphere to the Moon.
7 days ago

Bizarre spider-like feature spotted on Jupiter's Moon Europa may be similar to those on Earth

The spider-like feature may offer clues about subsurface liquid water on Europa.
Dec 11, 2025

3I/ATLAS update: First X-ray detection suggests the comet behaves like its solar system counterparts

The 17-hour X-ray study, performed in late November 2025, captured a subtle X-ray glow emanating from 3I/ATLAS's core.
Dec 11, 2025

Moon dust brought back 50 years ago is now revealing how the Sun changes the lunar surface

The degree of space weather impact determines how bright soils appear.
Dec 11, 2025

What will happen when the Sun runs out of fuel?

Astronomer Dr. Christopher Manser has stated that the Sun will run out of hydrogen in its core as it dies, becoming a red giant in about 5 billion years.
Dec 10, 2025

Sun fires off massive X-class flare resulting in radio blackouts in Australia and parts of Southeast Asia

The enormous burst of energy, which peaked at 12:01 a.m. on December 8, was imaged by NASA's Solar Dynamics Observatory.
Dec 9, 2025

First discoveries from Subaru Telescope's OASIS survey reveal a massive planet and a brown dwarf

The findings represent the first major results from OASIS, a program that uses advanced telescope instruments to seek out large planets and brown dwarfs.
Dec 9, 2025

NASA and NOAA forecast CME impact on December 9, geomagnetic storm warning issued

The space weather alert was triggered by an M8-class solar flare from sunspot 4299 on December 6, which immediately preceded the incoming CME.
Dec 8, 2025
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