The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and probing mysteries of the Universe.

Explore the true scale of the Solar System in this video, which illustrates the relative sizes of the planets and their ...

Scientists from the University of St Andrews have discovered that ions in solar flares can reach scorching temperatures more than 60 million degrees—6.5 times hotter than previously believed. This ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Solar flares are a great reminder of our sun’s truly immense power ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years But RPS is expensive, costing ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

The latest research on asteroid Bennu has revealed its heterogeneous origin and a parent world with flowing water, adding to the evidence that this small and somewhat dangerous rock is extremely ...

How Trump’s policies are affecting early-career scientists—in their own words Every year MIT Technology Review celebrates ...