They are expected to quickly sublimate when heated by starlight. The new Seligman-led paper about dark comets provides measured values of non-gravitational accelerations that are at most 2×10^ {-8} ...

Some of this stuff is known as mysterious dark matter, others are things like dark comets, which as their name suggests, are far more difficult to see from Earth than something like Tsuchinshan-Atlas.

Scientists have discovered seven more "dark comets," and analysis of this haul suggests that the puzzling planetoids are divided into two distinct families, further deepening the mystery of why ...

An Israeli Navy missile boat intercepted a UAV that was launched from Yemen on Monday morning over the Mediterranean Sea. The IDF noted that the UAV was intercepted before crossing into Israeli ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

A reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought.

The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects. Share on Facebook (opens in a new window) Share on X (opens in a new window ...

How do you find a comet that could pose a threat to Earth but hasn't passed our planet in the last 200 years or more? You look for its footprint. "This research gets us closer to defending Earth ...

In the second week of 2025, we could see a new object grace the skies as comet ATLAS (C/2024) G3 gets close to the sun. In the wake of comet C/2023 A3 (Tsuchinshan–ATLAS) in October, comet G3 is ...

The New Jersey Devils and their American Hockey League affiliate, Utica Comets, are winless through a combined four games to start the 2025 calendar year. The Devils have been outscored 6-2 since ...

Its speed and path around the Sun don’t match a typical asteroid, but it also has no bright tail or nucleus (icy core) we normally associate with comets. However, 'Oumuamua has erratic motions ...

Abstract: This paper addresses the cooperative control problem of multiple unmanned aerial vehicles (multi-UAV) systems. First, a new distributed consensus algorithm for second-order nonlinear ...