Comet C/2026 A1 is described as a monster falling directly into the Sun’s corona. Its fate could end in total destruction or a spectacular survival that turns it into one of the brightest comets of ...

A sharp cold spell began about 12,900 years ago, with a platinum spike in Greenland ice at its start: Established A comet impact or airburst caused the cold sp ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

It has been a busy month for astronomy. In the midst of an eclipse season bookended by the total solar eclipse on Aug. 12 and the deep partial lunar eclipse coming up this week on Aug. 28, an outbound ...

China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The images reveal its tail and glowing coma, offering scientists a glimpse of ...

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An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

Perplexity has raised about $200 million at a valuation near $20 billion, fresh capital that lands as the AI-search startup pours money into a bet most coverage frames too narrowly. The headline is a ...

Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a truly “great” one. Comet C/2025 R3 (PanSTARRS) hangs above Bietschhorn in ...

Time to look up stargazers. There's another comet coming our way. A newly discovered comet, comet C/2025 R3 (PanSTARRS), which appears to have been traveling in the solar system since September, is ...

The Artemis II moon mission may have concluded, but there are still some cosmic wonders on the horizon. For the first time since the prehistoric age, interstellar comet C/2025 R3 (Pan-STARRS) will be ...