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US satellites hunting secret nuclear tests accidentally detected first gamma-ray burst in 1967

Gamma-ray bursts are among the most powerful explosions observed in the universe. First accidentally detected by Vela satellites in 1967, they puzzled scientists for decades. Research later showed that these bursts come from distant cosmic events, including massive stars collapsing and neutron star mergers. Yet their powerful jets still hold mysteries.

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This insect makes a house of silk and leaves and then carries it everywhere on its back

Bagworm caterpillars have an unusual way of protecting themselves. They build portable cases using silk produced by their own bodies and materials such as leaves, twigs and plant debris. The caterpillar carries this case wherever it moves, using it as both shelter and camouflage. The case grows as the caterpillar grows, with more material added

This insect makes a house of silk and leaves and then carries it everywhere on its back Read More »