A second black hole at our galaxy’s center?

There's a supermassive black hole - 4 million times our sun's mass - in the center of our Milky Way galaxy. Astronomers who've measured star movements near this central black hole are now saying there might be a 2nd companion black hole near it.

Explained! Enceladus’ enigmatic tiger stripes

How did the so-called tiger stripes - huge parallel cracks - form in the icy surface of Saturn's moon Enceladus? A new study from the Carnegie Institution for Science provides some answers.

Meet the microorganism that likes to eat meteorites

At least one type of microbe on Earth not only likes to eat meteorites but actually prefers them as a food source, according to a new international scientific study.

Hefty black hole holds new record for high mass

Astronomers have discovered a black hole with 40 billion solar masses in the heart of the Abell 85 cluster of galaxies.

Interstellar object closest to the sun today

The fascinating object 2I/Borisov has been steadily brightening as it nears its encounter with our sun. It'll pass closest to the sun on December 8, 2019, then flee again toward interstellar space.

Astronomers catch a comet outburst

Remember comet 46P/Wirtanen? It was a bright comet about this time last year. Around the time it swept near the Earth and sun, the comet entered the field of view NASA’s TESS planet-hunter. And boom! It underwent an outburst, caught by TESS.

This white dwarf star has a giant, evaporating planet

White dwarf stars are typically more or less Earth-sized. The planet orbiting white dwarf WDJ0914+1914 appears to be at least twice as big as its star! High intensity radiation from its star is causing this planet to evaporate. Will the same thing happen in our solar system someday?

Parker Solar Probe sheds light on our local star

Parker Solar Probe - now in its 4th orbit around the sun - can endure heat and radiation like no previous mission. This week, 4 new studies in Nature reveal new insights about the sun's mysterious corona and solar wind.

How does the solar wind affect Earth?

Why should we care about the new findings - released this week - from NASA's Parker Solar Probe? This new NASA video explains how the solar wind - a stream of charged particles from the sun - affects earthly astronauts and technologies.

Chennai engineer helped find India’s Vikram lander, which crashed on the moon

In September, India hoped to become the 4th nation to soft land on the moon successfully with its Chandrayaan 2 mission. Moments before touchdown, the mission's Vikram lander crashed. Now the lander has been found again.