For decades, scientists have marveled at the Local Hot Bubble—a vast, low-density region stretching roughly 1,000 light-years ...

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Scientists are developing miniature lightsails that could travel at unprecedented speeds, potentially enabling interstellar ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

A new study suggests that a close encounter with a massive interstellar object, possibly eight times the mass of Jupiter, may have significantly altered the orbits of the four outer planets in our ...

A celestial object may have altered Jupiter, Saturn, Uranus, and Neptune Simulations suggest it was up to eight times Jupiter’s mass The study proposes a close flyby reshaped planetary orbits ...

The H and He spectra have the same energy dependence between 3 and 346 MeV nuc-1, with a broad maximum in the 10-50 MeV nuc-1 range and a H/He ratio of 12.2 ± 0.9. The peak H intensity is ˜15 times ...

About 350 years later, that pulse of light has reached interstellar material, illuminating it, warming it, and causing it to glow in infrared light. NASA's James Webb Space Telescope has observed ...