News – Page 17 – Astronomy Now

26 July 2026

Astronomers spot two stars locked in supernova death spiral

13 July 2021 Astronomy Now

Astronomers spot a teardrop-shaped star indicating the distorting presence of a white dwarf as the two spiral toward a supernova blast.

Smallest, most massive white dwarf on verge of collapse to neutron star

2 July 2021 Astronomy Now

Astronomers find smallest, most massive white dwarf, possibly on threshold to evolve into a neutron star.

Gravity waves show black hole-neutron star mergers

30 June 2021 Astronomy Now

Gravitational wave detectors confirm two instances of black holes consuming neutron stars in cataclysmic mergers.

Earth detectable, in theory, from more than 2,000 nearby star systems

24 June 2021 Astronomy Now

More than 2,000 star systems found within 326 light years that have been or will be in position to detect Earth as it transits the Sun.

A galactic mystery: The case of the missing dark matter

23 June 2021 Astronomy Now

Astronomers find an unusual “oddball” galaxy with much less dark matter that would be expected based on current ideas about galaxy formation.

NASA optimistic about Hubble repair, but more time needed

20 June 2021 Astronomy Now

NASA managers are optimistic about fixing a computer glitch and restoring the Hubble Space Telescope to operation, but say it could take several weeks.

16 Psyche may not be as metallic as previously thought

11 June 2021 Astronomy Now

Lab-based experiments suggest the asteroid 16 Psyche may be more rubble pile than metallic remnant of a dense planetary core.

Jupiter’s moon Ganymede seen up close for first time in 21 years

9 June 2021 Astronomy Now

NASA’s Juno spacecraft flew by Ganymede, Jupiter’s largest moon, Monday on the first close-up visit to the icy world since 2000. The first images from the flyby show Ganymede’s cratered, icy surface in “remarkable detail,” NASA said.

Engineers ‘sandblast’ InSight lander to clear dust from solar arrays

7 June 2021 Astronomy Now

Engineers come up with a novel way to clear light-obscuring dust from the InSight Mars lander’s solar panels: sandblasting.

After a 30-year hiatus, NASA is returning to Venus with two new probes

4 June 2021 Astronomy Now

NASA is funding two new missions to Venus, one an orbiting radar mapper and another that will drop a small probe into the cloud-shrouded planet’s churning atmosphere.