Galaxies

Beating it at its own game: Scientists use dark matter distortion to measure its temperature

While we know it exists, making up a quarter of the universe, we are yet to see a dark matter particle.

Astronomers struggle to measure the expansion rate of Universe with Hubble telescope

The astronomy team that made the new Hubble constant measurements is dubbed H0LiCOW.

NASA/ESA celebrates Hubble telescope completing 30 years with 13 spectacular gems from space

These images are the lesser-known images captured by the NASA/ESA collaborative telescope.

Why do astronomers believe dark matter exits even though they have not seen it?

The Sun orbits at 230km per second despite being 26,700 light-years away from our galaxy’s centre.

Astronomers discover oldest galaxy cluster that is formed out of 12 galaxies

Scientists believe the protocluster was born 13.8 billion years ago and were present in the very early stages of the universe.

NASA's Spitzer telescope celebrates its sweet 16 with 10 splendid stellar images

The space telescope was first launched on 25 August 2003 captures images in Infrared.

Ultraviolet Imaging Telescope on the AstroSat looks at the heart of Jellyfish galaxy

There is a cavity at the centre of this galaxy as there has been no formation of new stars in the past 100 billion years.

Interstellar got it wrong: Wormholes would be slower than direct routes, says study

Wormholes have been theorized. Even if they really exist, they may not be much use for space travel.

Podcast roundup: The best this week, from Armchair Expert to Hello Internet and The Cut

Our lowdown on the best episodes from a selection of podcasts that deserve a listen this week. Ready to tune in?

Milky way collision with nearby galaxy could wake up sleeping black hole in its centre

The collision with the Large Magellanic Cloud is 'long overdue' & needed to make our galaxy typical: Study.