Large Magellanic Cloud over Neill Island

Northern Hemisphere skywatchers need to be south of about 20 degrees N. latitude to see the Large Magellanic Cloud. Aman Chokshi caught it from Neill Island, India, at about 10 degrees N.

What happened before the Big Bang?

How can we get an inkling of what existed before our universe began? Scientists at the Harvard-Smithsonian Center for Astrophysics suggest a way.

Jupiter’s 700,000-year journey toward the sun

Scientists in Sweden say that Jupiter - largest planet in our solar system - formed 4 times farther away from the sun than its current orbit. They believe it moved inward toward the sun in a journey lasting 700,000 years.

SOHO looks at equinox sun

Four views of the sun taken by the SOHO solar observatory on the morning of the March 2019 equinox.

Say hello to particle robots

Roboticists are fundamentally rethinking their craft. Particle robots don't look like biological creatures, but they're constructed like biological systems, vast in complexity and abilities, yet composed of simple parts. Are they a step toward the proverbial 'gray goo'?

Meet the world’s biggest T. rex

Say hello to “Scotty." The towering and battle-scarred Tyrannosaurus rex is the biggest yet discovered and the largest terrestrial predator known to science.

Fiery sunset

Neeraj Ladia in Chennai, India, caught this beautiful sunset last week, on the day of the equinox. Thank you, Neeraj!

Moon, Jupiter, Saturn on March 26-29

The waning moon will sweep past Jupiter and then Saturn this week, in the sky before sunup. Watch for them!

What’s going on with Jupiter’s Red Spot?

This giant storm has remained a nearly constant feature of Jupiter's turbulent atmosphere for at least 300 years. How can a storm persist for so long?

Milky Way and rock art

No one knows for sure what ancient culture drew this rock art.