Day: November 10, 2026

Spiral galaxy NGC 4559 in X-ray and optical light, with the star AT 2016blu marked near its outer edge

Repeat Offender: A Supernova Impostor Unmasked by Its Hidden Partner

November 10, 2026

A massive star in the galaxy NGC 4559 has flared 27 times since 2012. New Chandra X-ray data show a hidden black hole or neutron star feeding on it is behind the outbursts.

Flat Pack: A Caltech Robot Tests In-Space Assembly of a Truss

November 10, 2026

A Caltech robot funded by DARPA has built a section of truss in low Earth orbit, testing whether future antennas and telescopes could be assembled in space from a kit of parts.

Day: November 10, 2026

Repeat Offender: A Supernova Impostor Unmasked by Its Hidden Partner

Flat Pack: A Caltech Robot Tests In-Space Assembly of a Truss

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