Science & Environment
New fossil scans challenge insect flight timeline, suggesting origins up to 80 million years later
Source: Phys.org - latest science and technology news stories · Published
A tiny fossil discovered exactly a century ago has caused an enormous change in our understanding of when flying insects first appeared on Earth.
A tiny fossil discovered exactly a century ago has caused an enormous change in our understanding of when flying insects first appeared on Earth.
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Meteors don't just burn up. What really happens is far more violent
Scientists have uncovered seven surprising stages that space rocks go through as they hurtle toward Earth, revealing that melting and violent fragmentation, rather than simple evaporation, determine their fate. The discovery could help explain why meteorites scatter across the gr
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Scientists discover a hidden oxygen reservoir deep inside Earth
Scientists have discovered that magma deep inside Earth can store surprising amounts of extra oxygen, potentially revealing a hidden contributor to our planet's oxygen-rich atmosphere. The findings suggest that ancient volcanic eruptions may have helped transform Earth's atmosphe
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Enormous 'Cat's Tail' tells of cosmic collision 63 light-years away
Sixty-three light-years from Earth, in the small, faint constellation known as Pictor (which is Latin for "painter"), there lies a strange structure that has puzzled astronomers for the last two years. Nicknamed the "Cat's Tail," this dark feature stretches across an abyss of spa
Phys.org - latest science and technology news stories ·
Modest gamma-ray flash followed by dazzling afterglow points to powerful stellar jet viewed off-axis
A cosmic explosion that announced itself with a modest flash of gamma rays went on to produce one of the brightest afterglows astronomers have recorded in the past 20 years. An international team of astronomers now finds evidence that the surprising mismatch comes down to perspec
Phys.org - latest science and technology news stories ·
NASA discovers Jupiter’s invisible shield is more complex than Earth’s
NASA’s Juno spacecraft has discovered that Jupiter uses a surprisingly complex system of powerful plasma waves and multiple shock regions to defend against the solar wind. The findings reveal major differences between Jupiter and Earth and could help scientists understand the eno
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