Milky Way Galaxy

Mass extinction cycle of land animals occurs every 27.5 million years, study reveals

As per the study, the extinctions also align with major asteroid impacts and volcanic activity.

Milky Way's family tree show that its biggest collision was with the Kraken galaxy

Astronomers have, for decades, suspected that old globular clusters could be used as “fossils” to reconstruct early assembly histories of galaxies.

Flash of luck: Astronomers find source of powerful cosmic fast radio burst

Astronomers currently have as many as fifty different theories for what causes these fast radio bursts, aliens among them.

Voyager missions find sharp increase in density of space beyond our solar system

Voyager 1 entered interstellar space in 2012, while Voyager 2 finally crossed the boundary marking the beginning of outer space in November 2018.

Intergalactic wall: Stretch of galaxies some 1.4 bn light-years long discovered in the universe

The structure stretches across the southern border of the universe, and comprises thousands of galaxies and huge amounts of gas and dust.

Scientists discover a huge black hole, 700 million light-years away, that eats about one sun per day

The black hole’s mass is also about 8,000 times bigger than the black hole at the centre of the Milky Way.

There are around six billion Earth-like planets in the Milky Way galaxy, say scientists

To be considered Earth-like, a planet must be rocky, roughly Earth-sized and orbiting Sun-like stars and should orbit in the habitable zones of its star.

Milky Way galaxy could be home to 36 active, intelligent civilisations besides humans, study suggests

If technological civilizations last as long as they do on Earth, it is estimated that there could be 36 ongoing intelligent civilizations in the galaxy.

NASA says black hole positioned at centre of Milky Way caused energy outburst 3.5 million years ago

"The flash was so powerful that it lit up the stream like a Christmas tree — it was a cataclysmic event!" said Principal Investigator Andrew Fox from STScI.

Astronomers capture image of a galaxy described as a “cosmic ring of fire”, as it existed 11 billion years ago

It is two billion times longer than the distance between the Earth and the Sun and makes stars at 50 times the rate of the Milky Way.